Saber clave Recursos para el docente

2

FÍSICA Y QUÍMICA Materia: modelo corpuscular, cambios y carácter eléctrico. Magnetismo. Fuerzas y campos Ana María Deprati Fabián G. Diaz Gabriel D. Serafini

ES 2.º año

2

FÍSICA Y QUÍMICA Materia: modelo corpuscular, cambios y carácter eléctrico. Magnetismo. Fuerzas y campos

Saber clave Recursos para el docente FÍSICA y QUÍMICA 2. MATERIA: MODELO CORPUSCULAR, CAMBIOS Y CARÁCTER ELÉCTRICO. MAGNETISMO. FUERZAS Y CAMPOS - Recursos para el docente es una obra colectiva, creada y diseñada en el Departamento Editorial de Ediciones Santillana, bajo la dirección de Graciela Pérez de Lois, por el siguiente equipo: Ana María Deprati Fabián G. Díaz Gabriel D. Serafini Editora: María Gabriela Barderi. Jefa de edición: Edith Morales. Gerencia de gestión editorial: Mónica Pavicich.

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Física y química 2. Materia: modelo corpuscular, cambios y carácter eléctrico. Magnetismo. Fuerzas y campos. : recursos para el docente / Ana María Deprati ... [et.al.]. - 1a ed. Buenos Aires : Santillana, 2011. 24 p. ; 28x22 cm. - (Saberes clave) ISBN 978-950-46-2533-9 1. Formación Docente. 2. Física. 3. Química. I. Deprati, Ana María CDD 372.19

Recursos para la planificación 2

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1

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2

Los estados de la materia

Las soluciones

© Santillana S.A. Prohibida su fotocopia. Ley 11.723

Estrategias didácticas

Expectativas de logro

© Santillana S.A. Prohibida su fotocopia. Ley 11.723

3

4

Los cambios físicos y químicos

El átomo

3

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TÓNCPMos de los FMFNFOUPT
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periódica. %JTUJOHVJS
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$MBTJGJDBS
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acuerdo con sus propiedades. -MFWBS
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campo. $PNQSFOEFS
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MB
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4

Capítulo

Contenidos

5

-PT
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OBUVSBMF[B
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MB
FMFDUSJDJEBE 7BSJFEBE
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GFOØNFOPT
FMFDUSPTUÈUJDPT -B
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EF
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FMFDUSJDJEBE -PT
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MBT
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%FTDSJQDJØO
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MPT
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-BT
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casas. -BT
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grandes ciudades. -FDUVSB
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MBT
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sencillos. %JTF×BS
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DPSSJFOUF
FMÏDUSJDB

6

Los materiales y la electricidad

La corriente eléctrica

© Santillana S.A. Prohibida su fotocopia. Ley 11.723

Estrategias didácticas

Expectativas de logro

© Santillana S.A. Prohibida su fotocopia. Ley 11.723

7

8

Los imanes naturales y artificiales

El magnetismo y sus aplicaciones

-PT
JNBOFT
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EF
VO
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información.

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5

6

Capítulo

9

Fuerzas, interacciones y campos

Contenidos -BT
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© Santillana S.A. Prohibida su fotocopia. Ley 11.723

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Página 14

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© Santillana S.A. Prohibida su fotocopia. Ley 11.723

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Página 24 24. &O
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Página 25 18. V1

V2 = T 1 T2

2l V2 = 26 °C 5 °C V2 =

2 l · 5 °C = 0,38 l 26 °C

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8

© Santillana S.A. Prohibida su fotocopia. Ley 11.723

Página 18

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Página 26 29.

Gases Fluidez Fluyen Compresibilidad Alta Forma Sin forma propia Volumen Indefinido Muy baja Densidad

Líquidos Sólidos Fluyen No fluyen Casi no compresibles No compresibles Sin forma propia Con forma propia Definido Intermedia

Definido Alta

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© Santillana S.A. Prohibida su fotocopia. Ley 11.723

32. a) Verdadera. b) 'BMTB
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Página 27 35. a) 0DIP
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Página 28

Página 39

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Página 33 5. a) ¡
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Página 34 6.

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Página 76

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© Santillana S.A. Prohibida su fotocopia. Ley 11.723

Página 80

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Página 81

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Sección

III

La materia y el magnetismo

Página 113

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b) El esquema A puede considerarse un paralelo de dos circuiUPT
FO
TFSJF
DPO
VO
TPMP
JOUFSSVQUPS
c) El esquema C
QVFEF
DPOTJEFSBSTF
VOB
TFSJF
EF
EPT
DJSDVJUPT
en paralelo. d) En los esquemas A
Z
B
UPEBT
MBT
MBNQBSJUBT
TF
BGFDUBO


18

3. 1BSB
SFTQPOEFS
DØNP
GVODJPOB
FM
USFO
EF
MFWJUBDJØO
NBHOÏUJDB
Z
QPS
RVÏ
EB
JEFB
EF
iGMPUBDJØOw
B
MPT
QBTBKFSPT
RVF
WJBKBO
FO
ÏM
IBZ
RVF
UFOFS
FO
DVFOUB
FM
UFYUP
EF
MB
OPUB
FO
FM
RVF
TF
TF×BMB
que los maglev
QPTFFO
JNBOFT
FO
MPT
WBHPOFT
Z
FMFDUSPJNBOFT
FO
MPT
DBSSJMFTHVÓB
Z
RVF
MB
EJTUBODJB
FOUSF
BNCPT
EVSBOUF
FM
SFDPSSJEP
FT
EF
BMHVOPT
DFOUÓNFUSPT 4. "VORVF
EFTDPOP[DBO
RVÏ
FT
FTQFDÓGJDBNFOUF
VO
DBNQP
NBHOÏUJDP
TJ
BOUFT
FTUVEJBSPO
MPT
DBQÓUVMPT
EF
FMFDUSJDJEBE
FT
QPTJCMF
RVF
MP
BTPDJFO
DPO
MPT
DBNQPT
FMÏDUSJDPT
&OUPODFT
UBM
WF[
NFODJPOFO
que es algo que llena la región cercana a un imán, o algo parecido. 5. "VORVF
MB
SFTQVFTUB
FT
BCJFSUB
FT
QPTJCMF
RVF
BMHVOPT
BMVNOPT
IBZBO
UPNBEP
DPOUBDUP
DPO
MPT
DVFTUJPOBNJFOUPT
SFBMJ[BEPT
QPS


© Santillana S.A. Prohibida su fotocopia. Ley 11.723

2. 4J
OP
DPOPDFO
EF
RVÏ
TF
USBUB
MB
QBMBCSB
iFMFDUSPJNBOFTw
TVHJFSF
VO
JNÈO
RVF
UJFOF
BMHVOB
SFMBDJØO
DPO
MB
FMFDUSJDJEBE
&T
QSPCBCMF
RVF
MPT
BMVNOPT
TF×BMFO
RVF
TF
QBSFDFO
B
MPT
JNBOFT
DPNVOFT
FO
RVF
QPTFFO
QSPQJFEBEFT
NBHOÏUJDBT
TJNJMBSFT
5BM
WF[
JOEJRVFO
RVF
EJGJFSFO
EF
FMMPT
FO
RVF
TPMP
GVODJPOBO
DVBOEP
DJSDVMB
FMFDUSJDJEBE


PSHBOJ[BDJPOFT
BNCJFOUBMFT
BDFSDB
EF
MPT
DBNQPT
HFOFSBEPT
QPS
MBT
MÓOFBT
EF
BMUB
UFOTJØO
5BNCJÏO
FT
GBDUJCMF
RVF
DPOP[DBO
DJFSUPT
TVQVFTUPT
FGFDUPT
EFM
NBHOFUJTNP
RVF
TF
QVCMJDJUBO
FO
MPT
NFEJPT
EF
DPNVOJDBDJØO
DPO
GJOFT
BQBSFOUFNFOUF
UFSBQÏVUJDPT 6. -PT
BMVNOPT
EFCFO
DPOPDFS
RVF
FM
DBNQP
NBHOÏUJDP
UFSSFTUSF
FT
DPOTFDVFODJB
EF
RVF
MB
5JFSSB
TF
DPNQPSUB
DPNP
VO
JNÈO
Z
RVF
FTP
FT
MP
RVF
GVOEBNFOUB
FM
GVODJPOBNJFOUP
EF
MB
CSÞKVMB 7. 3FTQVFTUB
BCJFSUB
&T
QSPCBCMF
RVF
TF
NFODJPOFO
NPUPSFT
QPSUFSPT
FMÏDUSJDPT
CSÞKVMBT
UJNCSFT
Z
BMHVOPT
PUSPT
EJTQPTJUJWPT
QSFTFOUBEPT
FO
FTUB
TFDDJØO


7 Los imanes naturales y artificiales

5. a) 4J
MB
DPNQB×FSB
VTBSB
VOB
MÈNJOB
EF
QBQFM
EF
BMVNJOJP
OP
IBCSÓB
WBSJBDJPOFT
Z
FM
JNÈO
TFHVJSÓB
FKFSDJFOEP
BUSBDDJØO
TPCSF
FM
BMGJMFS
b) 4Ó
IBCSÓB
DBNCJPT
FO
FM
DBTP
EF
FNQMFBS
VOB
MÈNJOB
EFMHBEB
EF
IJFSSP
QPSRVF
BDUVBSÓB
DPNP
VOB
iCBSSFSBw
BM
NBHOFUJTNP
Z
NVZ
QPDP
EF
ÏM
BUSBWFTBSÓB
MB
MÈNJOB

Página 120 6. 4F
USBUB
EF
VOB
BDUJWJEBE
BCJFSUB
EF
WFSJGJDBDJØO
EF
MPT
DPOUFOJEPT
FYQMJDBEPT
FO
FM
UFYUP
RVF
QPOESÈ
BM
BMVNOP
FO
TJUVBDJØO
FYQFSJNFOUBM
DPO
JNBOFT
RVF
TFHVSBNFOUF
iBUSBQBSÈOw
TV
BUFODJØO

Página 114

Página 121

1. a) 1FESP
FM
1FSFHSJOP
FSB
DPOTJEFSBEP
VO
HSBO
JOWFTUJHBEPS
QPSRVF
TF
FTQFDJBMJ[BCB
FO
FM
USBCBKP
DPO
NFUBMFT
Z
SFBMJ[Ø
VO
DPOKVOUP
EF
FYQFSJFODJBT
TPCSF
FM
DPNQPSUBNJFOUP
EF
los imanes. b) &T
DPOPDJEP
RVF
MPT
JNBOFT
OP
FKFSDFO
TV
BDDJØO
TPCSF
UPEPT
MPT
NFUBMFT
TJOP
NVZ
QBSUJDVMBSNFOUF
TPCSF
FM
IJFSSP
4JO
FNCBSHP
DPNP
TF
WFSÈ
B
MP
MBSHP
EFM
DBQÓUVMP
UBNCJÏO
BDUÞBO
EÏCJMNFOUF
TPCSF
BMHVOPT
PUSPT c) -B
iQJFESB
JNÈOw
FT
FGFDUJWBNFOUF
VOB
SPDB
EF
JNÈO
OBUVSBM
&O
FM
DBQÓUVMP
TF
FYQMJDBSÈ
DØNP
QVFEFO
DPOTFHVJSTF
JNBOFT
iBSUJGJDJBMFTw
FT
EFDJS
RVF
OP
TF
FODVFOUSBO
FO
MB
OBUVSBMF[B
TJOP
RVF
TPO
GBCSJDBEPT
QPS
FM
IPNCSF d) "VORVF
FM
BQSPWFDIBNJFOUP
EF
GVFOUFT
RVF
QSPWFBO
FOFSHÓB
FT
VOP
EF
MPT
HSBOEFT
UFNBT
EFM
NVOEP
BDUVBM
FO
FM
RVF
DPOWJWJNPT
DPO
OVNFSPTPT
BSUFGBDUPT
FMÏDUSJDPT
UBNCJÏO
GVF
VOB
QSFPDVQBDJØO
QBSB
MBT
QFSTPOBT
EF
UPEBT
MBT
ÏQPDBT
1PS
FTB
SB[ØO
USBUBSPO
EF
DPOTUSVJS
NÈRVJOBT
RVF
GVODJPOBSBO
TJO
OFDFTJEBE
EF
FOUSFHBSMFT
FOFSHÓB
TJOP
RVF
FTUB
GVFSB
QSPWJTUB
QPS
VO

BOJNBM
QPS
VO
DVSTP
EF
BHVB
QPS
FM
WJFOUP

P
QPS
VOB
DPNCVTUJØO

e) )BCSÓB
RVF
FYQMJDBSMF
B
FTF
DPNQB×FSP
RVF
OP
TF
USBUB
EF
VO
GFOØNFOP
NBHOÏUJDP
QPSRVF
FO
ÏM
OP
QBSUJDJQBO
JNBOFT
OJ
OJOHÞO
PCKFUP
EF
IJFSSP
-P
RVF
TVDFEF
FT
RVF
BM
GSPUBS
FM
QFJOF
DPOUSB
MB
DBNJTB
FTUF
RVFEB
DBSHBEP
FMÏDUSJDBNFOUF
Z
FTB
FT
MB
SB[ØO
QPS
MB
RVF
BUSBF
FM
DBCFMMP
4F
USBUB
FOUPODFT
EF
VO
GFOØNFOP
FMFDUSPTUÈUJDP
DPNP
TF
FTUVEJØ
FO
FM
DBQÓUVMP


7. a) 'BMTB
&M
DBNQP
NBHOÏUJDP
OP
FT
MB
SFHJØO
TJOP
MP
RVF
MB
llena. b) 7FSEBEFSB
&M
DBNQP
NBHOÏUJDP
FT
iFTPw
RVF
MMFOB
MB
SFHJØO
que rodea a un imán. c) 7FSEBEFSB
&TB
FT
VOB
GPSNB
EF
QPOFS
FO
FWJEFODJB
BM
DBNQP
NBHOÏUJDP d) 7FSEBEFSB
&M
FTQBDJP
DBNCJB
TVT
QSPQJFEBEFT
DVBOEP
IBZ
un campo que lo llena.

Página 115

© Santillana S.A. Prohibida su fotocopia. Ley 11.723

Página 118

Página 124 8. 3FTQVFTUB
BCJFSUB
DPOTUJUVZF
VO
NFSP
SFDPOPDJNJFOUP
EF
MP
JOEJDBEP
FO
FTUB
QÈHJOB
Z
QFSNJUF
FYQMPSBS
FM
FOUPSOP
FO
CVTDB
EF
PUSBT
BQMJDBDJPOFT
EF
MPT
JNBOFT

Página 125 9. a) &M
EPDFOUF
QVFEF
DPMBCPSBS
DPO
MPT
HSVQPT
FO
MB
PSHBOJ[BDJØO
EFM
USBCBKP
Z
MB
JOEJWJEVBMJ[BDJØO
EF
MBT
MÓOFBT
EFM
DBNQP
EF
DBEB
FTQFDUSP
PCUFOJEP b) -BT
MJNBEVSBT
TF
DPODFOUSBO
NÈT
FO
MBT
DFSDBOÓBT
EF
MPT
QPMPT
EF
DBEB
JNÈO
QPSRVF
FO
FTBT
[POBT
FM
DBNQP
NBHOÏUJDP
FT
NÈT
GVFSUF c) &O
DBEB
FTQFDUSP
NBHOÏUJDP
PCUFOJEP
MBT
MÓOFBT
FTUÈO
NÈT
KVOUBT
FO
MBT
[POBT
EPOEF
FM
DBNQP
FT
NÈT
JOUFOTP
Z
NÈT
FTQBDJBEBT
EPOEF
FM
DBNQP
FT
NÈT
EÏCJM d) /P
MBT
MJNBEVSBT
OP
TPO
FM
DBNQP
4PO
TPMP
VO
SFDVSTP
QBSB
WJTVBMJ[BS
FM
DBNQP
RVF
FT
JOWJTJCMF

2. 4FHVSBNFOUF
MPT
BMVNOPT
DPOTJEFSBSÈO
RVF
ZB
OP
TF
BDFQUBO
DPODFQDJPOFT
EFM
FTUJMP
EF
MPT
iFTQÓSJUVT
DPO
HBSSBTw
P
MB
EF
MPT
iJNBOFT
DPO
WJEBw
P
iDPO
BMNBw
4JO
FNCBSHP
FT
QSPCBCMF
RVF
FTUJNFO
RVF
DPOTFSWB
TV
WJHFODJB
MB
EFTDSJQDJØO
EF
MPT
GFOØNFOPT
PCTFSWBEPT
EFTEF
IBDF
NVDIP
UJFNQP
EVSBOUF
MBT
BDUJWJEBEFT
FYQFSJNFOUBMFT


Página 127

3. -BT
PQJOJPOFT
TPCSF
MB
NBHOFUPUFSBQJB
DPNP
TF
TPTQFDIBSÈ
TPO
NVZ
EJWFSTBT
&O
MB
QÈHJOB
RVF
TF
QSPQPOF
DPNP
MFDUVSB
TF
JODMVZF
JOGPSNBDJØO
CBTUBOUF
QSFDJTB
TPCSF
DVÈM
FT
FM
BWBM
DJFOUÓGJDP
B
FTUB
GPSNB
EF
iNFEJDJOB
BMUFSOBUJWBw

11. 4FHVSBNFOUF
MPT
BMVNOPT
FTUBSÈO
EF
BDVFSEP
FO
RVF
FT
NVZ
JNQPSUBOUF
RVF
FYJTUBO
PSHBOJTNPT
RVF
JNQVMTBO
Z
DPOUSPMBO
MB
JOWFTUJHBDJØO
DJFOUÓGJDB
FO
MB
"SHFOUJOB
QPSRVF
FMMP
QFSNJUF
QPS
FKFNQMP
BTJHOBS
SFDVSTPT
FDPOØNJDPT
B
QSPZFDUPT
EF
JOWFTUJHBDJØO
RVF
QVFEBO
EFNPTUSBS
TV
TFSJFEBE
Z
TPMWFODJB

10. &O

FM
GÓTJDP
JOHMÏT
1BVM
%JSBD
TPTUVWP
RVF
FO
DPOEJDJPOFT
TVNBNFOUF
FTQFDJBMFT
FSB
QPTJCMF
BJTMBS
VOP
EF
MPT
QPMPT
NBHOÏUJDPT
BM
RVF
TF
MP
JEFOUJGJDB
DPNP
NPOPQPMP
6O
monopolo FT
FOUPODFT
VO
JNÈO
IJQPUÏUJDP
RVF
DVFOUB
DPO
VO
TPMP
QPMP

Página 117 4. -PT
UÏSNJOPT
RVF
MPT
BMVNOPT
UJFOFO
RVF
VUJMJ[BS
QBSB
DPNQMFUBS
MBT
PSBDJPOFT
TPO
a) 1PMPT
b)
/BUVSBM
BSUJGJDJBMFT
c)
1PMPT
d)
/PSUF
TVS
e)
*HVBM
f) %JTUJOUP

12. "VORVF
MB
BDUJWJEBE
FT
BCJFSUB
FT
QPTJCMF
JNBHJOBS
BMHÞO
EJTF×P
IFDIP
QPS
MPT
BMVNOPT
FO
FM
RVF
MB
GVFS[B
QBSB
FM
NPWJNJFOUP
TF
PCUJFOF
FOGSFOUBOEP
QPEFSPTPT
JNBOFT
EF
NPEP
RVF
TVT
QPMPT
TF
SFDIBDFO
FOUSF
TÓ

19

13. &TQFSBNPT
RVF
QBSB
MPT
BMVNOPT
TFB
FWJEFOUF
RVF
MBT
EPT
OPUJDJBT
QSFTFOUBEBT
FO
FTUB
EPCMF
QÈHJOB
OP
TPO
JHVBMNFOUF
DPOGJBCMFT
-B
QSJNFSB
FTUÈ
BWBMBEB
QPS
QVCMJDBDJPOFT
JOUFSOBDJPOBMFT
EF
SFDPOPDJEP
QSFTUJHJP
-B
TFHVOEB
OPT
QSFTFOUB
VOB
TJUVBDJØO
NVZ
EJTDVUJCMF
RVF
OJ
TJRVJFSB
DVFOUB
DPO
FM
SFDPOPDJNJFOUP
EF
MPT
PSHBOJTNPT
RVF
JNQVMTBO
Z
DPOUSPMBO
MB
JOWFTUJHBDJØO
FO
MB
"SHFOUJOB


&M
PUSP
UJFOF
SB[ØO
DVBOEP
EJDF
RVF
IBZ
JNBOFT
EF
USFT
P
DVBUSP
QPMPT
1FSP
OP
TF
MMBNBO
OPSUF
TVS
FTUF
Z
PFTUF
&O
FTF
DBTP
TPO
EPT
QPMPT
OPSUF
Z
TVS
RVF
TF
SFQJUFO 22. -BT
[POBT
FO
MBT
RVF
MBT
MÓOFBT
EF
DBNQP
FTUÈO
NÈT
KVOUBT
DPSSFTQPOEFO
B
MBT
QBSUFT
EPOEF
FM
DBNQP
FT
NÈT
JOUFOTP
Z
MBT
[POBT
FO
MBT
RVF
MBT
MÓOFBT
FTUÈO
NÈT
FTQBDJBEBT
B
MBT
QBSUFT
FO
MBT
RVF
FM
DBNQP
FT
NÈT
EÏCJM

Página 128

15. /JOHVOB
EF
MBT
JNÈHFOFT
FT
DPSSFDUB
QPSRVF
TF
USBUB
EF
VOB
JOUFSBDDJØO
FOUSF
VO
JNÈO
Z
VOB
UVFSDB
EF
NBTBT
TFNFKBOUFT
1PS
FTB
SB[ØO
EFCFSÓB
IBCFS
EPT
WFDUPSFT
Z
MPT
EPT
UFOESÓBO
RVF
TFQBSBSTF
EF
MB
WFSUJDBM
DBTJ
DPO
VO
NJTNP
ÈOHVMP
DPNP
TF
NVFTUSB
FO
MB
QÈHJOB

EFM
DBQÓUVMP 16. 3FTQVFTUB
BCJFSUB
FT
QSPCBCBMF
RVF
SFTQPOEBO Inducción magnética: BM
BDUVBS
TPCSF
VO
PCKFUP
EF
IJFSSP
FM
JNÈO
DPOWJFSUF
BM
PCKFUP
FO
VO
OVFWP
JNÈO Magnetismo remanente:
MPT
PCKFUPT
NBHOFUJ[BEPT
QPS
JOEVDDJØO
DPOTFSWBO
FM
NBHOFUJTNP
RVF
BERVJSJFSPO

23. 4Ó
FM
EBUP
SFTQPOEF
B
TV
EVEB
BVORVF
EF
VO
NPEP
JOEJSFDUP
4J
MB
-VOB
OP
QPTFF
DBNQP
NBHOÏUJDP
BMMÓ
VOB
CSÞKVMB
OP
GVODJPOBSÓB
24. -B
TJUVBDJØO
FO
RVF
TF
BUSBFO
QBQFMJUPT
EFTQVÏT
EF
GSPUBS
VOB
WBSJMMB
EF
WJESJP
DPO
VO
QB×P
EF
MBOB
DPSSFTQPOEF
B
VO
GFOØNFOP
FMFDUSPTUÈUJDP
FTUVEJBEP
FO
FM
DBQÓUVMP

1BSB
QSPCBS
RVF
OP
TF
USBUB
EF
VO
GFOØNFOP
NBHOÏUJDP
CBTUB
DPO
NPTUSBS
RVF
BRVÓ
OP
QBSUJDJQBO
JNBOFT
OJ
OJOHÞO
PCKFUP
EF
IJFSSP


8 El magnetismo y sus aplicaciones Página 130

18. a) &TUF
DPNQPSUBNJFOUP
TF
EFCF
B
MB
JOEVDDJØO
NBHOÏUJDB
EFM
JNÈO
TPCSF
MBT
DIJODIFT b) -BT
DIJODIFT
OP
TPO
EF
CSPODF
TJOP
EF
IJFSSP
P
EF
BDFSP
QJOUBEPT
DPO
FM
DPMPS
EFM
CSPODF
1PS
FTP
TPO
BUSBÓEBT
QPS
FM
JNÈO c) %F
MPT
DVBUSP
FTRVFNBT
TPO
QPTJCMFT
A
Z
B
QPSRVF
MB
BUSBDDJØO
TF
EB
FOUSF
QPMPT
EF
EJGFSFOUF
OPNCSF d) &M
GFOØNFOP
FT
FM
NBHOFUJTNP
SFNBOFOUF e) 4Ó
UV
DPNQB×FSP
UJFOF
SB[ØO
QPSRVF
TF
USBUB
EF
VOB
JOUFSBDDJØO f) /P
FO
FTUP
OP
UJFOF
SB[ØO
&T
JNQPTJCMF
TFQBSBS
VO
QPMP
EFM
PUSP g) $POWFOESÓB
MMFWBS
VO
JNÈO
"TÓ
QPS
MP
NFOPT
UF
BTFHVSBSÓBT
EF
RVF
OP
TPO
EF
IJFSSP
OJ
EF
BDFSP

1. a) &T
NVZ
QPTJCMF
RVF
MPT
BMVNOPT
ZB
TFQBO
RVF
MB
5JFSSB
FT
VO
HJHBOUFTDP
JNÈO
Z
QPTFBO
VOB
OPDJØO
EF
RVÏ
SFQSFTFOUBO
MPT
QPMPT
NBHOÏUJDPT
UFSSFTUSFT
4JO
FNCBSHP
USBUÈOEPTF
EFM
DBNQP
NBHOÏUJDP
UFSSFTUSF
TV
DPOPDJNJFOUP
TFSÈ
CBTUBOUF
impreciso. b) 4FHVSBNFOUF
MPT
BMVNOPT
UJFOFO
VOB
JEFB
DMBSB
EF
QBSB
RVÏ
TJSWF
MB
CSÞKVMB
Z
EF
DØNP
GVODJPOB
-B
JEFB
FT
SFMBDJPOBS
FTUB
SFTQVFTUB
DPO
MPT
DPODFQUPT
NFODJPOBEPT
FO
MB
SFTQVFTUB
BOUFSJPS
c) &T
QSPCBCMF
RVF
MPT
BMVNOPT
EJTQPOHBO
EF
MB
JOGPSNBDJØO
iDMÈTJDBw
RVF
MPT
DIJOPT
P
MPT
ÈSBCFT
JOWFOUBSPO
MB
CSÞKVMB
3FTQFDUP
EF
MB
ÏQPDB
QVFEFO
FTQFSBSTF
SFTQVFTUBT
NVZ
WBriadas. d) &T
GBDUJCMF
RVF
FO
FTUF
QVOUP
IBZB
NVZ
QPDPT
BQPSUFT
QPSRVF
MB
NBZPS
QBSUF
EF
MBT
QFSTPOBT
OP
DPOPDF
RVF
MPT
QPMPT
NBHOÏUJDPT
UFSSFTUSFT
DBNCJBO
TV
QPTJDJØO
1VFEF
TFS
DPOWFOJFOUF
SFUPNBS
FTUB
QSFHVOUB
DVBOEP
TF
USBUF
FM
UFNB
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Página 129

Página 135

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Página 143

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Página 144

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21

El imán y la bobina El imán y la bobina se atraen se repelen

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Página 152

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Sección

IV

Las fuerzas

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22

9 Fuerzas, interacciones y campos 1. 4F
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© Santillana S.A. Prohibida su fotocopia. Ley 11.723

15.

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© Santillana S.A. Prohibida su fotocopia. Ley 11.723

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Página 169 22. a) -PT
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23

Caso C: MB
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Caso A:

 
/

 
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/

|R|= 7,5 N + 7,5 N

R

|R|= 15 N  
/  
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23. a) &M
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|R|= long R · Esc |R|= 10,6 cm · 1

N cm

|R|= 10,6 N

Caso B:

R

 
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|R|= long R · Esc N |R|= 7 cm · 1 cm

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© Santillana S.A. Prohibida su fotocopia. Ley 11.723

|R|= 7 N

 
/

24