Three men A, B & C of masses 40 kg, 50 kg and 60 kg are standing on a plank of mass 90 ko
is kept on a smooth horizontal plane. If A & C exchange their positions then mass B will shift
(A) 1/3 m towards left
(C) will not move w.rt. ground
(B) 1/3 m towards right
(D) 5/3 m towards left
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1
Answer:
The correct answer is
(C) will not move w.r.t. ground .
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0
Answer:
B
Explanation:
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