Physics formulae Flashcards
1
Q
Average speed =
A
Distance moved
—————————
Time Taken
2
Q
Acceleration =
A
Change in velocity
——————————
Time Taken
3
Q
(Final speed)2 =
Squared
A
(Initial speed)2 + (2 x acceleration x distance moved)
4
Q
Force =
A
Mass x acceleration
5
Q
Weight =
A
Mass x gravitational field strength
6
Q
Efficiency =
A
Useful energy output
——————————— x 100%
Total energy output
7
Q
Work done =
A
Force x distance moved
8
Q
Gravitational Potential Energy =
A
Mass x gravitational field strength x Height
9
Q
Kinetic Energy =
A
1/2 x mass x speed2
Squared
10
Q
Power =
A
Work done
——————
Time taken
11
Q
Velocity =
A
Distance x time