Physics Equations Flashcards
1
Q
What does weight equal
A
Mass x gravitational field strength
2
Q
Work done
A
Force x distance
3
Q
What does force equal
A
Spring x extension
4
Q
Moment of force equals
A
Force x distance
5
Q
Pressure equals
A
Force normal to a surface divided by area of that surface
6
Q
Distance travelled equals
A
Speed x time
7
Q
Acceleration equals
A
Change in velocity divided by time taken
8
Q
Resultant force equals
A
Mass x acceleration
9
Q
Momentum equals
A
Mass x velocity
10
Q
Density equals
A
Mass divided volume
11
Q
Kinetic energy=
A
0.5 x mass x speed squared
12
Q
GPE equals
A
Mass x gravitational field strength x height
13
Q
Power equals
A
Work done divided by time taken
14
Q
Efficiency equals
A
Useful energy output divided by total energy input
