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Tes Kompetensi Subbab A
$/( ) ,* & # * + !2)2 * 1'& ,
":DE?8 82H2 H2?8 5:3EDE9<2? C63E29 >@3:= H2?8 >2CC2 ,63E29 3@=2 36B>2CC2 8B2> 5::<2D A252 E;E?8
?H2 <8 E?DE< >6?42A2: <646A2D2? > C 52=2> C6ED2C D2=: H2?8 A2?;2?8?H2 4> @=2 36BAED2B 52
G2<DE C =2> =:?8<2B2? 9@B:I@?D2= 56?82? <6=2;E2? D6D2A > C
,63E29 82H2 36<6B;2 A252 36?52 36B>2CC2 # 52? ":DE?8 D682?82? D2=:
A6B46A2D2? H2?8 5:D:>3E=<2? > C !2H2 H2?8 C2>2 ,63E29 A:B:?82? 56?82? ;2B: ;2B: 4> 5:AED2B 56?82?
36<6B;2 A252 36?52 =2:? 36B>2CC2 # A6B46A2D2? H2?8 <646A2D2? CE5ED B25 C -6?DE<2? A6B46A2D2? 52?
5:D:>3E=<2? > C # 82H2 C6?DB:A6D2= C63E29 D:D:< 36B>2CC2 8 H2?8 36B252
2 6B2A2<29 ?:=2: B2C:@ 1 5: A:?88:B A:B:?82? D6BC63ED
# ,63E29 3@=2 36B>2CC2 <8 5:AED2B >6?8:D2B:
2
3 $:<2 # 52? # 5:823E?8 36B2A2 A6B46A2D2? H2?8 =:?8<2B2? F6BD:<2= H2?8 B25:EC?H2 > 56?82? =2;E
5:92C:=<2? @=69 82H2 > C ":DE?8 D682?82? >2<C:>E> 52? D682?82? >:?:
,63E29 3EC >2CC2?H2 <8 36B86B2< 56?82? <6 >E> D2=: H2?8 >6?89E3E?8<2? 3@=2 <6 AEC2D
46A2D2? <> ;2> '@3:= 5:B6> 52? 36B96?D: C6D6=29 =:?8<2B2? ;:<2 > C
>6?6>AE9 ;2B2< > -6?DE<2? 82H2 B6> H2?8 ,63E29 <6?52B22? >6?:<E?8 5: =:?D2C2? ;2=2? >6?
36<6B;2 A252 >@3:= D6BC63ED 52D2B <2C2B 56?82? ;2B: ;2B: <6=6?8<E?82? > >2CC2
?52 C652?8 36B252 5: 52=2> C63E29 A6C2G2D D6B32?8 <6?52B22? 52? A6?E>A2?8 <8 -6?DE<2?
A252 <6D:?88:2? > <2<: 6B2A2 A6B <646A2D2? >2<C:>E> 282B <6?52B2? D:52< C=:A ;:<2 82H2
C6?<29 A6BE3292? 36B2D 3252? ?52 86C6<2? 2?D2B2 32? 52? ;2=2? (
,6A@D@?8 32DE 32D2 H2?8 >2CC2?H2 <8 D6B=6D2< 5:2> ,63E29 >@3:= >6=6G2D: ;2=2? 46>3E?8 :<6D29E:
5: 2D2C D2?29 %6>E5:2? 32DE D6BC63ED 5:D2B:< <6 2D2C B25:EC > '2CC2 >@3:= 36C6BD2 A6?E>A2?8?H2
56?82? 82H2 ( C6=2>2 C =2=E 5:=6A2C<2? $:<2 <8 !2H2 D6<2? >@3:= D6B9252A ;2=2? ( $:<2
> C D6?DE<2? D:?88: >2<C:>E> H2?8 A6B46A2D2? 8B2F:D2C: > C D6?DE<2? =2;E >@3:= A252
5:42A2:?H2 C22D <65E5E<2? D6BD:?88:
B. Penerapan Hukum Newton
*252 328:2? :?: ?52 2<2? >6>A6=2;2B: 3636B2A2 A6?6B2A2? 9E<E> N
(6GD@? 52=2> <69:5EA2? C692B: 92B:
1. Gerak Benda pada Bidang Datar F
,63E29 36?52 D6B=6D2< A252 3:52?8 52D2B =:4:? C6A6BD: A252 +! /
<6>E5:2? 5:36B: 82H2 >6?52D2B 9:?882 36?52 36B86B2< =EBEC
56?82? A6B46A2D2? !2H2 82H2 H2?8 36<6B;2 A252 CE>3E . 252=29
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/ , Gambar 5.8
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Gaya-gaya yang bekerja pada
6?52 D:52< 36B86B2< D6B9252A CE>3E . >2<2 balok.
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!2H2 H2?8 36<6B;2 A252 CE>3E -
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Dinamika Gerak 91
