Work and Energy Quiz

A crane does work of 13,500 J with a force of 5200 N to lift a beam. How far can the beam be lifted (in meters)?

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In the equation for work, F is the____________ applied to the object and d is the _______________ through which the force is applied.

• Force

• Distance

If you are in a car that is being pulled down a 56.0 m path with a force of 12.5 Newton’s (N), what is the “work” done on the car?

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What are the factors affecting the amount of work that you do on something?

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If the object moves in the same direction of force, work is not done.

• True

• False

A backhoe pushes a rubbish pile with a force of 1200 N for a distance of 400 meters. It takes the backhoe 30 seconds to move the rubbish pile. Calculate the work performed by the backhoe on the pile. Calculate the power of the backhoe pushing the pile.

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Joseph sweeps his sidewalk with a broom. Joseph pushes a pile of dead leaves for a distance of 10 meters. He performs 35 joules of work. Calculate the force joseph uses to push the broom and leaves. Report your answer in Newton.

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How to calculate the work done on an object?

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What is the SI unit of work?

How to calculate the power of an object?

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