work done and energy transfer

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7 Terms

1
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work done

is when an object is moved over a distance by force applied in the direction of its displacement

<p>is when an object is moved over a distance by force applied in the direction of its displacement</p>
2
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calculating work done

work done = force x distance

<p>work done = force x distance</p>
3
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the amount of energy transferred is equal to

equal to work done

<p>equal to work done</p>
4
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a force acting in the direction an object is moving

the object will gain energy

<p>the object will gain energy</p>
5
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friction

a force that works in opposition to the motion of an object , slowing down the motion

<p>a force that works in opposition to the motion of an object , slowing down the motion</p>
6
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when friction is present energy is transferred by

energy is transferred by heating, raising the temp in both the object and surroundings

<p>energy is transferred by heating, raising the temp in both the object and surroundings</p>
7
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air resistance

a type of friction that slows down the motion of an object

<p>a type of friction that slows down the motion of an object</p>