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Perhatikan gambar berikut.<br />

)<br />

licin<br />

30°<br />

20 kg<br />

Tantangan<br />

untuk Anda<br />

katrol licin<br />

5 kg<br />

Hitunglah percepatan benda A dan<br />

tegangan tali.<br />

96 Mudah dan Aktif Belajar Fisika untuk Kelas X<br />

Ti)>&9&)'/&*&'7")*&'7"r(&--&', L T<br />

"<br />

7 ''''''''' L ; , L&<br />

, L 1(B(E(;(, L &<br />

E(;(, L 1(B(, L &<br />

;&ri'B'3"#0##+% C@DQME' *&)' B'3"#0##+% C@DQPE.' *i/"rA0"5<br />

, K &(;(, L 1(B(, L &<br />

(((((((, K &(H(, L &(;(, I 1<br />

((((((H, K H ( , L J(&(;(, L 1<br />

Contoh 5.9<br />

HNQK]J<br />

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("0&09i'-"79&5'k&#rA0'0ici)3''B"r&/&'/"rc"/&#&)'*&)'#"+&)+&)'#&0i'>ik&'k"*9&'7")*&<br />

*i0"/&-k&)'H1'U'KI'(V- L J:<br />

F#(#-G<br />

!"#ik&'k"*9&'7")*&'*i0"/&-k&).'8'7"r+"r&k'k"'7&6&5'*&)'B'7"r+"r&k'k"'&#&-.'k&r")&<br />

, A 'e', G .'k"*9&'7")*&'("(i0iki'/"rc"/&#&)'-&(&3<br />

&3 & ;(<br />

U'<br />

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A G<br />

, H, +<br />

A G<br />

" D'k+'Q L'k+ #<br />

D'k+dL'k+ 'KI'(V-L<br />

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[&*i.'/"rc"/&#&)'k"*9&'7")*&'U'L'(V- L 3<br />

73 E ;(, A 1(B(, A &<br />

U'HD'k+JHKI'(V- L J'Q'HD'k+JHL'(V- L J<br />

U'LM'k+'(V- L<br />

U'LM'@<br />

[&*i.'#"+&)+&)'#&0i'k"*9&'7")*&'U'LM'@3<br />

Contoh 5.10<br />

;&ri'-9-9)&)'7")*&?7")*&'/&*&'+&(7&r.'#")#9k&)'/"rc"/&#&)'7")*&'*&)'#"+&)+&)<br />

-"#i&/'#&0i'>ik&', A 'U'KI'k+.', G' U'M'k+.'*&)', f 'U'Z'k+'*&)'7i*&)+'0ici)'H1'U'KI'(V- L J3<br />

F#(#-G<br />

[ik&'7")*&'f'*i0"/&-k&).'7")*&'f'7"r+"r&k<br />

k"'7&6&53'8'*&)'B'7"r+"r&k'k"'k&)&)'*")+&)<br />

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A G J<br />

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L &(;<br />

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K L<br />

1<br />

A B A B<br />

T 1<br />

A B<br />

w A<br />

T<br />

T 2<br />

HNQLIJ<br />

w B<br />

T<br />

C<br />

T 3

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