1
Q
Average speed =
A
distance / time
2
Q
Acceleration =
A
v - u / t
3
Q
final velocity =
A
v2 = u2 + 2as
4
Q
Force =
A
Mass x acceleration
5
Q
Kinetic energy =
A
1/2 x mass x speed2
6
Q
Weight
A
mass x gravitational field strength
7
Q
Efficiency
A
useful output energy / total output energy x 100
8
Q
Work done =
A
Force x distance
9
Q
GPE =
A
mass x gravity x height
10
Q
Pressure =
A
force / area
11
Q
Density=
A
mass / volume
12
Q
Critical angle =
A
sin-1 (1/refractive index)
13
Q
Snell’s law
A
n = sin i / sin r
14
Q
Power =
A
Work done / time taken
