Equations Flashcards
1
Q
Weight
A
Mass X gravitational field strength
2
Q
Force applied to a string
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 height X gravitational field strength
6
Q
Power
1
A
Work done
—————
Time
7
Q
Efficiency
A
Useful power output
——————————
Total power output
8
Q
Charge flow
A
Current X time
9
Q
Power
2
A
Potential difference X current
10
Q
Energy transferred
A
Power X time
11
Q
Density
A
Mass
————
Volume
12
Q
Work done
A
Force X distance
13
Q
Distance
A
Speed x time
14
Q
Resultant force
A
Mass X acceleration
15
Q
Kinetic energy
A
1/2 X mass X velocity2