Question

<br />Three men A, B & C of masses 40 kg, 50 kg and 60 kg are standing on a plank of mass 90 ko<br />is kept on a smooth horizontal plane. If A & C exchange their positions then mass B will shift<br /><br />(A) 1/3 m towards left<br />(C) will not move w.rt. ground<br />(B) 1/3 m towards right<br />(D) 5/3 m towards left<br />​ and plz give step by step explanation​

Answer 1

Answer:

Three men a,b and c of masses 40 kg,50 kg and 60 kg are ... If a and c exchange their positions then mass b will shift