Physics System of Particles Rotational Motion All Topic Question for Revision Test MCQ (Single Correct)

Two uniform solid spheres having unequal masses and unequal radii are released from rest from the same height on a rough incline. If the spheres roll without slipping,

A
the heavier sphere reaches the bottom first
B
the bigger sphere reaches the bottom first
C
Both the spheres reach the bottom together
D
the information given is not sufficient to tell which sphere will reach the bottom first

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Text Solution

Verified by Experts
The correct answer is:
C

In case of pure rolling,

For solid sphere,

Since, is independent of and , both the spheres reach the bottom together.

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