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Work, Energy, and Power Quiz

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Questions and Answers

What is James Prescott Joule best known for in the field of physics?

His research in electricity and thermodynamics.

What unit of energy and work is named after James Prescott Joule?

Joule.

What activity can you perform to compare the impact of dropping a heavy ball from different heights on a thick bed of sand?

Dropping the ball from heights of 25 cm, 50 cm, 1m, and 1.5m on a thick bed of sand.

What causes the ball to create a deeper dent when dropped from a greater height?

<p>The higher potential energy due to the greater height results in a greater kinetic energy upon impact, leading to a deeper dent in the sand.</p> Signup and view all the answers

Describe the setup of the work activity shown in Figure 10.5.

<p>Place a wooden block of known mass in front of the trolley at a fixed distance, then place a mass on the pan to start the trolley moving forward.</p> Signup and view all the answers