Essential University Physics, Volume 1 and Volume 2 - With Access
Essential University Physics, Volume 1 and Volume 2 - With Access
3rd Edition
ISBN: 9780134645490
Author: Wolfson
Publisher: PEARSON
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Chapter 13, Problem 1FTD

Is a vertically bouncing ball an example of oscillatory motion? Of simple harmonic motion? Explain.

Expert Solution & Answer
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To determine

Whether a vertically bouncing ball an example of oscillatory and simple harmonic motion.

Answer to Problem 1FTD

A vertically bouncing ball an example of oscillatory as the ball goes back and forth an equilibrium point and also of simple harmonic motion for small amplitude as the restoring force will be proportional to the displacement alone.

Explanation of Solution

An oscillatory motion is one in which a system goes back and forth an equilibrium point. A simple harmonic motion is one in which the restoring force is proportional to the displacement of the system.

When a ball is made to move in the vertical direction, the ball bounces of the ground and comes back to the ground. This happens in the same way as an oscillatory motion. The ball moves to and fro with respect to the ground and ergo, the vertically bouncing ball qualifies as an oscillatory system.

For a simple harmonic oscillator the restoring force acting on the material is proportional to the displacement. When the ball bounces vertically with low amplitude the ball will have a restoring force that is proportional to the amplitude which will keep it bouncing. Therefore, the bouncing ball will qualify as a simple harmonic oscillator when the amplitude of bouncing is low.

Conclusion:

Therefore, a vertically bouncing ball an example of oscillatory as the ball goes back and forth an equilibrium point and also of simple harmonic motion for small amplitude as the restoring force will be proportional to the displacement alone.

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Chapter 13 Solutions

Essential University Physics, Volume 1 and Volume 2 - With Access

Ch. 13 - If the spring of a simple harmonic oscillator is...Ch. 13 - How does the frequency of a simple harmonic...Ch. 13 - How would the frequency of a horizontal massspring...Ch. 13 - When in its cycle is the acceleration of an...Ch. 13 - Explain how simple harmonic motion might be used...Ch. 13 - One pendulum consists of a solid rod of mass m and...Ch. 13 - The x- and y-components of motion of a body are...Ch. 13 - Why is critical damping desirable in a cars...Ch. 13 - Explain why the frequency of a damped system is...Ch. 13 - Opera singers have been known to break glasses...Ch. 13 - What will happen to the period of a massspring...Ch. 13 - How can a system have more than one resonant...Ch. 13 - Prob. 16ECh. 13 - A violin string playing the note A oscillates at...Ch. 13 - The vibration frequency of a hydrogen chloride...Ch. 13 - Write expressions for the displacement x(t) in...Ch. 13 - The top of a skyscraper sways back and forth,...Ch. 13 - A hummingbirds wings vibrate at about 45 Hz. 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SIMPLE HARMONIC MOTION (Physics Animation); Author: EarthPen;https://www.youtube.com/watch?v=XjkUcJkGd3Y;License: Standard YouTube License, CC-BY