work done Flashcards

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1
Q

what is work done equal to?

A

energy transferred

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2
Q

what is 1Nm equal to?

A

one Joule

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3
Q

what are the two types of work done?

A

mechanically
electrically

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4
Q

what is mechanical work done?

A

done over a distance

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5
Q

what is electrical work done?

A

done by the flow of charged particles

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6
Q

what is an object in equillibrium?

A

the forces acting on the object are balanced

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7
Q

how do you get an object to change motion/ accelerate?

A

energy is required to do work on the object- force applied has to be larger than the weight on the object

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8
Q

what is the formula for mechanical work done?

A

work done = force x distance (in the direction of the force applied)

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