240563
| Question | Answer |
| Force | Force=mass x acceleration F=ma |
| Density | Density= mass÷volume ρ=m÷v |
| Speed | Average speed= distance÷time |
| Acceleration | Acceleration= change in velocity÷time A= (v-u)÷t |
| Weight | Weight= mass x gravity w= mg |
| Moment around a point | Moment= force x distance from point m= fd |
| Spring | Load= spring constant x extension F= kx |
| Pressure | Pressure= force÷area P= f÷a |
| Pressure (liquid) | Pressure= density x gravity x depth P=ρgd |
| Temperature (Kelvin) | Temperature Kelvin= Temperature Celcius + 273 |
| Gases | Pressure (1) x Volume (1)÷ Temperature (1)= Pressure (2) x Volume (2)÷ Temperature (2) |
| Work | Work = Force x distance moved w= fd |
| Work | Work = Force x distance moved w= fd |
| Gravitational potential | GP= mass x gravity x height GP= mgh |
| Kinetic energy | KE= half x mass x velocity^2 KE= 1/2mv^2 |
| Specific heat capacity | Energy transferred= mass x specific heat capacity x temp change E= mcΔt |
| Latent heat | Energy transfered= mass x latent heat E= mL |
| Power | Power= work ÷ time= energy transferred ÷ time p= w÷t |
| Efficiency | Efficiency= work done ÷ input= energy output ÷ input= power output ÷ input |
| Wavespeed | Speed= frequency x wavelength v= fλ |
| Period | Frequency= 1 ÷ period f= 1÷t |
| Refraction | Refractive index= sin angle of incidence÷ sin angle of reflection n= sin(i)÷sin(r) |
| Internal reflection | Sin critical angle= 1÷reflective index sin c= 1÷n |
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