1
Q
Average speed
A
Distance/time
2
Q
Average velocity
A
Displacement/time
3
Q
Acceleration
A
Change in velocity/time
4
Q
Force
A
Mass x acceleration
5
Q
Weight
A
Mass x 10
6
Q
Momentum
A
Mass x velocity
7
Q
Density
A
Mass/volume
8
Q
Force
A
Constant x extension
9
Q
Pressure
A
Force/area
10
Q
Pressure
A
Height x density x 10
11
Q
Moment
A
Force x distance
12
Q
Work
A
Force x distance
13
Q
Power
A
Work/time
14
Q
Kinetic
A
1/2 x mass x velocity2
15
Q
Gravitational
A
Mass x 10 x height
16
Q
Efficiency
A
Output/input
17
Q
Specific heat capacity
A
Energy/mass x change in temp.
18
Q
Latent heat
A
Energy/mass
19
Q
Heat capacity
A
Energy/change in temp.
20
Q
Wave speed
A
Frequency x wavelength
21
Q
Refractive index
A
Speed of light in air/ speed of light in material
22
Q
Refractive index
A
1/sin C
23
Q
Refractive index
A
Sin I/ sin R
24
Q
P1 V1
A
P2 V2
25
Constant
Pressure x volume
26
Current
Charge/time
27
Voltage
Current x resistance
28
Power
Current x voltage
29
Power
Current2 x resistance
30
Energy transferred
Current x voltage x time
31
Resistance in series
R1 + R2=Rtotal
32
Resistance in parallel
1/R1 + 1/R2 = 1/R total
33
Voltage 2nd coil/voltage 1st coil
Turn on 2nd coil/ turn on 1st coil
34
Resultant force
Change in momentum/ time
35
Impulse
Change in momentum
Year 10 revision
flashcards
Decks in class (7)
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