Give any three examples of situations where bodies have kinetic energy.
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Solution
Kinetic energy
Kinetic energy is the energy that an object or particle has as a result of its movement.
When work is done on an object by providing a net force to transfer energy, the object speeds up and gains kinetic energy.
Examples of situations where bodies have kinetic energy:
Kinetic energy is present when a bicycle or skateboard is in motion.
Watermills are powered by the kinetic energy of running water.
Moving air has kinetic energy, which is used to power windmills and propels sailing boats; similarly, a bullet fired from a cannon has kinetic energy, which allows it to penetrate a target.