The rotational inertia of your leg is greater when your leg is
A) bent.
B) straight.
C) same either way

Question

Quizplus · Accepted Answer

The rotational inertia of an object increases with the square of the distance of its mass from the axis of rotation. When your leg is straight, its mass is distributed farther from the hip joint (the axis of rotation in many leg movements), increasing its rotational inertia compared to when it is bent.

The Rotational Inertia of Your Leg Is Greater When Your