Two solid cylinders P and Q of same mass and same radius start rolling down a fixed inclined plane from the same height at the same time. Cylinder P has most of its mass concentrated near its surface, while Q has most of its mass concentrated near the axis. Which statement(s) is(are) correct?

Engineering

Physics

Physical Quantities

Question

Cylinder Q reaches the ground with larger angular speed

Both cylinders P and Q reach the ground at the same time

Both cylinders reach the ground with same translational kinetic energy

Cylinder P has larger linear acceleration than cylinder Q

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$a = \frac{gsinθ}{1 + \frac{I_{c}}{{mR}^{2}}}$

since, I_P > I_Q

$∴$ A & B is not correct & D is correct.

Total KE of both cylinders will be same but translation KE will not be same.

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