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Work, Energy and Power
Physics · Chapter 5 · Theme 4: Energy
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Topics 5
- Work done = force x distance moved in the direction of the force; unit joule
- Kinetic energy: energy due to motion; KE = (1/2)mv^2
- Potential energy and gravitational potential energy; PE = mgh with g = 10 m/s^2
- Energy transformation in a simple pendulum and in daily-life situations; conservation of energy
- Power as the rate of doing work; difference between energy and power