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22 Cards in this Set
- Front
- Back
- 3rd side (hint)
Weight |
Mass × gravitational field strength |
W=mg |
|
Work done |
Force × distance |
W=Fs |
|
Force applied to a spring |
Spring constant × extension |
F=ke |
|
Moment of force |
Force x distance |
M=Fd |
|
Pressure |
Force normal to surface (÷) Area of that surface |
P=F/A |
|
Distance travelled |
Speed × time |
S=vt |
|
Acceleration |
Change in velocity Time taken |
a=v/t |
|
Resultant force |
Mass × acceleration |
F=ma |
|
Momentum |
Mass × velocity |
p=mv |
|
Kinetic energy |
0.5 × mass ×( speed)2
*squared |
Ek= 1/2 mv2 |
|
Gravitational potential energy |
Mass × gravitational field strength × height |
Ep = mgh |
|
Power |
Energy transferred ÷ time |
P= E/t |
|
Power (in terms if work) |
Work done ÷ time |
P= W/ t |
|
Efficiency |
Useful power output ÷ useful input energy transfer Useful power output ÷ total power output |
Energy Power |
|
Wave speed |
Frequency × wavelength |
|
|
Charge flow |
Current × times |
Q=It |
|
Power |
Potential difference × current |
P= VI |
|
Power |
(Current)2 × resistance *squared |
P=I2×R |
|
Potential difference |
Current × resistance |
V= IR |
|
Energy transferred |
Power × time |
E= Pt |
|
Energy transferred |
Charge flow × potential difference |
E=QV |
|
Density |
Mass÷ volume |
p= m/v |