calculating energy and work

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Last updated 7:43 AM on 5/25/26
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4 Terms

1
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what is the rule for calculating kinetic energy

KE=1/2 x m x v²

m = mass (kg)

v = velocity/speed (m/sec)

2
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what is the rule for calculating gravitational potential energy

GPE = m x g x h

m = mass (kg)

g = acceleration due to gravity (9.8)

h = height (m)

3
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what is meant by the tern ‘work’

‘work’ is done when a force causes an object to move. e.g. pushing a box across the floor is doing work because the force makes the box move

4
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what is the rule for calculating force

W= f x d or F=w/d or D=w/f

w = work (J)

f = force (N)

d = distance (m)