PHYSICS Energy forces and energy

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What is work done and energy transferred measured in?
Joules, J
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What is the equation for work done?
W=F(force applied, N) X D(distance, M)
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What is power?
A measure of how quickly work is being done and so how quickly energy is being transferred.
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What is the equation for power?
P(measured in W, watts)=E(work done/energy transferred,J) % T(time, S)
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What two things changes the amount of gravitational potential energy on an object?
Mass and height above ground.
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What is the equation for the change in gravitational potential energy?
Ep(J)=M(mass,KG) X G(gravitational field strength,N/KG) X H(change in height, M)
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What two things does kinetic energy depend on?
Mass and Speed.
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What is the equation for kinetic energy?
Ek(kinetic energy, J)=0.5 X M( mass, KG) X V²(Speed, M/S)
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Other cards in this set

Card 2

Front

W=F(force applied, N) X D(distance, M)

Back

What is the equation for work done?

Card 3

Front

A measure of how quickly work is being done and so how quickly energy is being transferred.

Back

Preview of the back of card 3

Card 4

Front

P(measured in W, watts)=E(work done/energy transferred,J) % T(time, S)

Back

Preview of the back of card 4

Card 5

Front

Mass and height above ground.

Back

Preview of the back of card 5
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