Physics equations Flashcards
1
Q
Efficiency = ?
A
Efficiency = useful energy out / total energy in
2
Q
GPE = ?
A
GPE = m x g x h
3
Q
KE = ?
A
KE = 1/2 x m x v squared
4
Q
Weight = ?
A
W = m x g
5
Q
Unbalanced force = ?
A
Acceleration or deceleration
6
Q
Balanced force = ?
A
Constant speed
7
Q
Momentum = ?
A
Momentum = mass x velocity
8
Q
Resultant force = ?
A
Mass x acceleration
9
Q
Distance travelled = ?
A
DT= average speed x time
