13680683
Description
Flashcards by Craig Brisband, updated more than 1 year ago
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Created by Craig Brisband
over 6 years ago
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| Question | Answer |
| Distance travelled | Distance travelled = speed x time |
| Acceleration | Acceleration = change in velocity / time taken |
| Force | Force = mass x acceleration |
| Weight | Weight = mass x gravitational field strength (N) |
| Efficiency | Efficiency = useful energy transferred by the device/total energy supplied to the device |
| Momentum | Momentum= mass x velocity |
| Wave speed | Wave speed = wavelength(λ) x frequency |
| Wave speed | wave speed = Distance(x)/time |
| Density | Density = mass/volume |
| Work done | Work done = Force x distance moved in the direction of the force |
| Change in gravitational potential energy | ΔGPE = mass x gravitational field strength x Δheight |
| Kinetic energy | KE= 1/2 x mass x (speed)² |
| Power | Power = work done / time taken |
| Energy transferred | Energy transferred = charge moved x potential difference |
| Charge | Charge = current x time |
| Potential difference | Potential difference = current x resistance |
| Power | Power = energy transferred / time taken |
| Electrical power | Electrical power = current x potential difference |
| Electrical power | Electrical power = current² x resistance |
| Force exerted on a spring | Force exerted on a spring = spring constant x extension |
| Momentum of a force | Momentum of a force = force x distance normal to the direction of the force |
| Pressure | Pressure = force normal to surface / area of the surface |
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