Master the Fundamentals of Periodic Motion

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Questions and Answers

Which of the following best describes the equilibrium position in periodic motion?

The position where the object is moving with the maximum velocity.
The position where the object is at rest and exerts no force on the spring. (correct)
The position where the object is at its maximum displacement from the equilibrium position.
The position where the object is accelerating towards the equilibrium position.

Which of the following statements about periodic motion is correct?

Periodic motion occurs when an object accelerates in a straight line.
Periodic motion occurs when an object vibrates back and forth over the same path. (correct)
Periodic motion occurs when an object moves in a straight line at a constant speed.
Periodic motion occurs when an object moves in a circular path at a constant speed.

What is the relationship between the magnitude of the restoring force and the displacement of a spring from the equilibrium position?

The magnitude of the restoring force is constant regardless of the displacement.
The magnitude of the restoring force is unrelated to the displacement.
The magnitude of the restoring force is inversely proportional to the displacement.
The magnitude of the restoring force is directly proportional to the displacement. (correct)

What happens to a spring when it is stretched or compressed from its equilibrium position?

<p>The spring exerts a force that opposes the displacement and tries to restore the spring to its equilibrium position. (B)</p> Signup and view all the answers

What is the role of an external force in stretching a spring?

<p>An external force is required to stretch a spring and increase its displacement from the equilibrium position. (B)</p> Signup and view all the answers

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