## A Mass on a Turntable: Conceptual

Question

(Intro 1 figure) A small metal cylinder rests on a circular turntable that is rotating at a constant rate, as illustrated in the diagram.

Part A

Intro 1

A) Which of the following sets of vectors best describes the velocity, acceleration, and net force acting on the cylinder at the point indicated in the diagram?

B) Let R be the distance between the cylinder and the center of the turntable. Now assume that the cylinder is moved to a new location R/2 from the center of the turntable. Which of the following statements accurately describe the motion of the cylinder at the new location?

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## Answer ( 1 )

1. A) Which of the following sets of vectors best describes the velocity, acceleration, and net force acting on the cylinder at the point indicated in the diagram?

=> e

B) Let R be the distance between the cylinder and the center of the turntable. Now assume that the cylinder is moved to a new location R/2 from the center of the turntable. Which of the following statements accurately describe the motion of the cylinder at the new location?

=> the speed of the cylinder has decreased

the magnitude of the acceleration of the cylinder has decreased

Best answer