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2 cards from this section. Quick, good the night before a test.
Define work in physics.
Think about the relationship between force and movement.
What is the SI unit of work?
Recall the formula for work.
What is the formula for work done?
Recall the components of work.
True or False: Energy can be created or destroyed.
Think about conservation principles.
A car exerts a force of 4000 N to accelerate from rest to a speed of 20 m/s. Calculate the work done by the car.
First find the mass of the car and apply kinetic energy formula.
If a spring with a spring constant of 300 N/m is compressed by 0.1 m, how much work is done on the spring?
Use the compression distance in the work formula.
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