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4 cards from this section. Quick, good the night before a test.
What is the formula for calculating work?
Remember it involves force, distance, and an angle.
What units do we use to measure energy?
It's the same unit used for work.
What is the formula for power?
Think about how quickly work is accomplished.
True or False: Kinetic energy depends on the mass and the velocity of an object.
Remember the kinetic energy formula.
An object of mass 5 kg is lifted to a height of 15 meters. Calculate its potential energy. Assume g = 9.8 m/s².
Use the potential energy formula.
A machine does 500 J of work in 25 seconds. What is its power output?
Power is calculated as work done per unit time.
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