energy, work & power Flashcards
1
Q
energy cannot be
A
created or destroyed
2
Q
energy is a scalar/vector
A
scalar
3
Q
energy is measured in
A
joules (J)
4
Q
work, force, distance equation:
A
Ew = fd
5
Q
power work time equation:
A
P = Ew divided by t
6
Q
potential energy equation:
A
Ep = mgh
7
Q
kinetic energy equation:
A
Ek = 1/2 mv squared
