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A.
(1) Œü�S—Í�F72 N�A�d—Í‚Ì2.4”{
(2) ‘¬‚³�F7.07 m/s
(3) Œü�S—Í�F160 N�A�ÃŽ~–€ŽCŒW�”�F0.32

B.
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ŽüŠú�F3.jpg

C. ‘æ‚T�Í�A–â‘è‚S‚S
112 N

D. ‘æ‚T�Í�A–â‘è‚S‚V
37.8 N

E. ‘æ5�Í�A–â‘è‚V‚O
(a) 1.02 m/s2
(b) ƒuƒ�ƒbƒN‚P�F2.04 N�Aƒuƒ�ƒbƒN‚Q�F3.06 N�Aƒuƒ�ƒbƒN‚R�F4.08 N
(c) ‚P‚QŠÔ�F14 N�A‚Q‚RŠÔ�F8 N

F. ‘æ5�Í�A–â‘è‚S‚Q
(a) 3.57 m/s2
(b) 26.7 N
(c) 7.14 m/s

–â‘è‚T‚T
(a) —ª
(b) ’£—Í�F16.7 N�A‰Á‘¬“x�F0.687 m/s2

–â‘è‚V‚U
(a) 600 N
(b) 1100 N
(c) —ª