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7 Terms

1
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What is the equation used to calculate work done by a force on an object?

Work done = force × distance (W = Fs)

2
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What are the units for work done, force, and distance, respectively?

Work done is in joules (J), force is in newtons (N), and distance is in metres (m).

3
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How much work is done when a force of one newton causes a displacement of one metre?

One joule of work is done.

4
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What is 1 joule in terms of newton-metres?

1 joule = 1 newton-metre.

5
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What happens to an object when work is done against frictional forces?

It causes a rise in the temperature of the object.

6
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When does a force do work on an object?

When the force causes a displacement of the object.

7
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what is work done

the energy transferred when a force causes an object to move a certain distance