Question

When the rear wheel of the cycle is spun in water is seen splashing over the wheel. What kind of intertia is it ?

Answer 1

τ = Iα, α = net τI, the rotational equivalent of Newton’s second law, to solve the problem. Care must be taken to use the correct moment of inertia and to consider the torque about the point of rotation. As always, check the solution to see if it is reasonable. In statics, the net torque is zero, and there is no angular acceleration.