144,597 views
15 votes
15 votes
AP Physics 1 rotational motion Question 8 Practice set MCQ

AP Physics 1 rotational motion Question 8 Practice set MCQ-example-1
AP Physics 1 rotational motion Question 8 Practice set MCQ-example-1
AP Physics 1 rotational motion Question 8 Practice set MCQ-example-2
User Theplau
by
3.0k points

1 Answer

8 votes
8 votes

The rotational inertia decreases with decreasing distance from the axis.

Also, the angular momentum is inversely proportional to rotational inertia.

Thus, the child moves toward the center of the platform, decreasing the rotational moment of inertia.

Hence option B is correct.

User Mayank Jha
by
2.9k points