In circular motion, which quantity changes with distance from the center?

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Multiple Choice

In circular motion, which quantity changes with distance from the center?

Explanation:
In circular motion, the speed along the path (linear velocity) changes with distance from the center because the same amount of angular rotation covers a longer arc at larger radii. With a constant angular speed, the relationship v = ω r applies, so increasing the radius directly increases linear velocity. Mass is fixed for a given object and doesn’t depend on where you are in the circle. Temperature and pressure aren’t determined by how far you are from the center in this basic picture. So the quantity that changes with distance from the center is the linear velocity.

In circular motion, the speed along the path (linear velocity) changes with distance from the center because the same amount of angular rotation covers a longer arc at larger radii. With a constant angular speed, the relationship v = ω r applies, so increasing the radius directly increases linear velocity. Mass is fixed for a given object and doesn’t depend on where you are in the circle. Temperature and pressure aren’t determined by how far you are from the center in this basic picture. So the quantity that changes with distance from the center is the linear velocity.

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