Rotational Motion Question 97

Question: Two particles of mass 5 kg and 10 kg respectively are attached to the two ends of a rigid rod of length 1 m with negligible mass.The centre of mass of the system from the 5 kg particle is nearly at a distance of:

Options:

A) 50 cm

B) 67 cm

C) 80 cm

D) 33 cm

Show Answer

Answer:

Correct Answer: B

Solution:

  • [b]

    Xcm=m1x1+m2x2m1+m2

    =5×0+100×105+10=2003=66.66cm

    Xcm67cm



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