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10 Terms
1
When a force is exerted through a distance, __________ is done.
work
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2
To compute work, multiply force by __________.
distance
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3
In SI, the unit of work is the __________.
joule
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4
In order to calculate work done, use the __________ of the force which is in the direction of motion.
component
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5
If a force acts __________ to the direction of motion, no work is done.
perpendicular
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6
Power is the __________ at which work is done.
rate
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7
In SI, power is measured in __________.
watts
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8
A kilowatt is equal to __________ watts.
1,000
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9
You push against a car stuck in the mud. You will do __________ work unless you are successful in moving the car.
no
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10
A job is done slowly and an identical job is done quickly. Both jobs required the same total amount of __________ but used different amounts of __________.
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