Equations // Amber 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
Power
A
work done / time
7
Q
Efficiency
A
useful power output x total power output
8
Q
Charge Flow
A
current x time
9
Q
Energy Transferred
A
power x time
10
Q
Density
A
mass / volume
11
Q
Work Done
A
force x distance (along the line of action of the force)
12
Q
speed x time
A
Distance Travelled
13
Q
mass x acceleration
A
Resultant Force
14
Q
0.5 x mass x (speed)2
A
Kinetic Energy
15
Q
useful output energy transfer / useful input energy transfer
A
Efficiency
