Which of the following statements are true? (Select all that apply.) All parts of a wheel rotating about a fixed axis must have the same angular speed. All parts of a wheel rotating about a fixed axis must have the same angular acceleration. All parts of a wheel rotating about a fixed axis must have the same centripetal acceleration. Angular speed and linear velocity have the same dimensions.

Question

26-09-2019
Physics

contestada

Which of the following statements are true? (Select all that apply.) All parts of a wheel rotating about a fixed axis must have the same angular speed. All parts of a wheel rotating about a fixed axis must have the same angular acceleration. All parts of a wheel rotating about a fixed axis must have the same centripetal acceleration. Angular speed and linear velocity have the same dimensions.

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sebasacevedop sebasacevedop · Answer 1 · 2019-09-30T19:21:46+02:00

Answer:

All parts of a wheel rotating about a fixed axis must have the same angular speed.

All parts of a wheel rotating about a fixed axis must have the same angular acceleration.

Explanation:

In a rigid body in rotation (a rotating wheel) with respect to a fixed axis, each particle on the body turns around the same angle in a certain time interval, having the same angular speed and the same angular acceleration. Otherwise, the wheel will deform, therefore it would not be in equilibrium