Equations Flashcards
1
Q
Weight =
A
Mass x gravitational field strength
2
Q
Force applied to a spring =
A
Spring constant x extension
3
Q
Acceleration =
A
Change in velocity
________
Time taken
4
Q
Momentum =
A
Mass x velocity
5
Q
Gravitational potential energy =
A
Mass x gravitational field strength x height
6
Q
(1)
Power =
A
Work done
______
Time
7
Q
Efficiency =
A
Useful power output
__________
Total power output
8
Q
Charge flow =
A
Current x time
9
Q
(2)
Power =
A
Potential difference x current
10
Q
Energy transfer =
A
Power x time
11
Q
Density =
A
Mass
______
Volume
12
Q
Work done =
A
Force x distance
13
Q
Distance travelled =
A
Speed x time
14
Q
Resultant force =
A
Mass x acceleration
15
Q
Kinetic energy =
A
0.5 x mass x (speed)^2
