Significance of Rotational Motion :: Discussion


2.A torque of 10Nm is applied to a flywheel of mass 1kg and radius of gyration 50cm. What is the resulting angular acceleration?
A.4 rad/s2
B.2 rad/s2
C.5 rad/s2
D.6 rad/s2
Answer:  Option  A
Explanation:

τ=10Nm, M = 10kg, K = 0.50m
As τ=I×α = MK2 α
α=τ/(MK2 )=10/(10×0.502)=4 rad/s2.

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Published by:Michael Daani

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