All Flashcards
1
Q
Weight
A
Mass * gravitational field strength
2
Q
Work done
A
Force x distance
3
Q
Force applied to a string
A
Spring constant * extention
4
Q
Pressure
A
Force / area
5
Q
Speed
A
Distance / time
6
Q
Acceleration
A
Change in velocity / time taken
7
Q
Force
A
Mass * acceleration
8
Q
Momentum
A
Mass * velocity
9
Q
Kinetic energy
A
0.5 * mass * (speed) squared
10
Q
GPE
A
Mass * gravitational field strength * height
11
Q
Power
A
Energy transferred / time
Or
Work done / time
12
Q
Efficiency
A
Useful output energy transfer / total input energy transfer
Or
Useful power output / total power output
13
Q
Wave speed
A
Frequency * wavelength
14
Q
Charge flow
A
Current * time
15
Q
Potential difference
A
Current * resistance
16
Q
Power
A
Potential difference * current
Or
(Current) squares * resistance
17
Q
Energy transferred
A
Power * time
Or
Charge flow * potential difference
18
Q
Density
A
Mass / volume
