Physics Igcse Flashcards
1
Q
Speed
A
Distance/time
2
Q
Acceleration
A
Change in velocity/time taken
3
Q
Weight
A
Mass x gravitational field strength (10)
4
Q
Density
A
Mass/volume
5
Q
Extension
A
Force/ spring constant
6
Q
Moment
A
Force x distance to pivot
7
Q
Pressure
A
Force/area
8
Q
Work
A
Force x distance
= energy transferred
9
Q
Gravitational potential energy
A
Mass x gravitational field strength (10) x height
10
Q
Kinetic energy
A
1/2 x mass x velocity ^2
11
Q
Power
A
Energy transferred/ time taken
12
Q
Efficiency
A
Useful energy output/ total energy input x 100%
13
Q
Efficiency
A
Useful power output/ total power input x 100%
14
Q
Wave speed
A
Frequency x wavelength
15
Q
Angle of incidence
A
Angle of reflection
