Test SeriesFree PYQsExamsPricing

MHT CET Physics question

PhysicsSystems of Particles and Rotational MotionMHT CET

A disc has mass and radius . How much tangential force should be applied to the rim of the disc, so as to rotate with angular velocity in time ? [MHTCET 2018]

Answer: (B)

Solution

FR = I α = (1/2)MR² (ω/t), so F = MR ω/(2t); MR ω/(4t) and MR ω/t are off by

See the full step-by-step solution

Create a free account to read the complete working, and practise questions like this in a timed test.

Create a free account

Question ID VK-040788