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3 cards from this section. Quick, good the night before a test.
What is the SI unit of work?
Think about what unit describes energy.
Define kinetic energy in one sentence.
Consider something that is moving.
What is the formula for work?
Consider the angle's effect on work.
True or False: Energy can be created or destroyed.
Remember the principle of conservation.
A 1,500 kg car is traveling at 20 m/s. Calculate its kinetic energy and then determine how much work is required to bring it to a stop.
Remember, stopping means removing kinetic energy.
An object of mass 5 kg is lifted to a height of 10 meters. Calculate work done against gravity and its potential energy at that height.
Use the mass, gravitational acceleration, and height to calculate both energies.
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