Equations Flashcards
1
Q
Weight=
A
Mass x gravitational field strength
2
Q
Work=
A
Force x distance
3
Q
Distance =
A
Speed x time
4
Q
Force applied to a spring =
A
Spring constant x extension
5
Q
Efficiency =
A
Useful energy output / total energy input
6
Q
Kinetic energy =
A
0.5 x mass x v^2
7
Q
Gravitational potential energy=
A
Height x mass x gravity
8
Q
Momentum=
A
Mass x velocity
9
Q
Energy transferred =
A
Power x time
10
Q
Acceleration =
A
Change in speed / time taken
11
Q
Resultant force =
A
Mass x acceleration
12
Q
Power W=
A
Energy transferred/ time
13
Q
Power W =
A
Work done / time
14
Q
Wave speed =
A
Frequency x wave length
15
Q
Charge flow =
A
Current x time
