Question

Prove the following:
a. τ=Iα (τ=torque, I= moment of inertia and α= angular acceleration)
b. τ=dL/dt (L=angular momentum)
c. L=Iω (ω= angular velocity)

Answer 1

Answer:

It makes no assumptions about constant rotational velocity. The net torque about an axis of rotation is equal to the product of the rotational inertia about that axis and the angular acceleration, as shown in Figure 1. Similar to Newton's Second Law, angular motion also obeys Newton's First Law.

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