Equations Flashcards
1
Q
Weight
A
Mass x gravitational field strength
2
Q
Work done
A
Force x distance
3
Q
Force applied to a spring
A
Spring constant x extension
4
Q
Moment of a force
A
Force x distance
5
Q
Pressure
A
Force divided by area
6
Q
Distance
A
Speed x time
7
Q
Acceleration
A
Change in velocity divided by time
8
Q
Resultant force
A
Mass x acceleration
9
Q
Momentum
A
Mass x velocity
10
Q
Kinetic energy
A
0.5 x mass x (speed)2
11
Q
Gravitational potential energy
A
Mass x gravitational field strength x height
12
Q
Power
A
Energy transferred divided by time
13
Q
Power
A
Work done divided by time
14
Q
Efficiency
A
Useful energy divided by total energy
15
Q
Wave speed
A
Frequency x wavelength
