Rotational Motion Question 176

Question: Two particles, each of mass 2 kg are put at (2m, 0) and (0, 2m), . Now 1 kg mass of particle A is put on to the particle B. The change in x-coordinate of centre of mass of the system is

Options:

A) 0.5m

B) 1m

C) 1.5m

D) None of these

Show Answer

Answer:

Correct Answer: A

Solution:

  • [a]

xi=2×2+2×02+2=1m.

and xf=1×2+3×01+3 =0.5 m .

Δx=0.5m



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