A solid cylinder and a hollow cylinder, both of the same mass and same external diameter are released from the same height at the same time on an inclined plane. Both roll down without slipping. Which one will reach the bottom first?
A
Both together only when angle of inclination of plane is 
B
Both together
C
Hollow cylinder
D
Solid cylinder
Text Solution
Verified by ExpertsThe correct answer is:
D
: Time taken to reach the bottom of inclined plane.
Here, 
is length ofincline plane For solid cylinder 
For hollow cylinder 
Hence, solid cylinder will reach the bottom first.
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