Rotational Motion Question 168

Question: In a bicycle, the radius of rear wheel is twice the radius of front wheel. It rf and rr are the radii and vf and vr are the speeds of topmost points of wheels then

Options:

A) vr=2vf

B) vf=2vr

C) vf=vr

D) vf=4vr

Show Answer

Answer:

Correct Answer: C

Solution:

[c] The velocity of top point of the wheel is twice that of centre of mass.

And the speed of centre of mass is same for both the wheels,

v=ωr



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