Page 107 - MUDAH DAN AKTIF BELAJAR FISIKA SMA KELAS X

# <8 m = 3 kg
A

> C A T

T T
-:?;2E2? A252 36?52 m g
# A

<8
-:?;2E2? A252 36?52 B
#
N
m = 4 kg
B
<8 m g
B
> C N

<8 > C N

$/0 + , 52? $/0 + , 5:CE3CD:DEC:<2? C69:?882 5:A6B@=69

<8 <8 > C N

<8 <8 > C N <8

<8 <8 > C

> C

2B: $/0 + , 5:A6B@=69

<8 > C (

$25: A6B46A2D2? 36?52 252=29 > C 52? D682?82? D2=: 252=29 (

6. Gaya Tekan pada Alas Lift
*6B92D:<2? +! / ,63E29 32=@< 36B>2CC2 # D6B=6D2< 5: 52=2>
=:7D H2?8 C652?8 36B86B2< '6?EBED "E<E> ### (6GD@? 82H2 D6<2? 32=@<
A252 2=2C =:7D , C2>2 56?82? 82H2 ?@B>2= 36?52
2 $/& 1') , +! / =:7D 36B86B2< F6BD:<2= <6 2D2C 56?82?
(a) (c) <646A2D2? D6D2A >2<2 B6CE=D2? 82H2 H2?8 36<6B;2 A252 36?52 252=29 ?@=

v v
/ #
N N
a
# , N
>2<2 , ,
mg = w
w' w' 3 $/& 1') , +! / ! =:7D 36B86B2< F6BD:<2= <6 2D2C 56?82?
mg = w
(b) (d) A6B46A2D2? D6D2A >2<2 B6CE=D2? 82H2 H2?8 36<6B;2 A252 36?52 252=29
#
N
/ # #
N
a
a # N
v
mg = w >2<2 , ,
w'
w' 4 $/& 1') , +! / " =:7D 36B86B2< F6BD:<2= <6 2D2C 56?82?
mg = w A6B=2>32D2? N >2<2 B6CE=D2? 82H2 H2?8 36<6B;2 A252 36?52 252=29
Gambar 5.14 #
Sebuah balok bermassa m terletak di
dalam lift yang sedang bergerak.

98 Mudah dan Aktif Belajar Fisika untuk Kelas X