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3 cards from this section. Quick, good the night before a test.
What is the formula for calculating work?
Think of what each symbol represents.
If 5 Newtons of force are applied and the object moves 10 meters, how much work is done?
Use the formula for work.
What is the SI unit of work?
Think about the defined unit for energy.
If an object is not moving, is any work being done?
Consider the formula for work.
A person lifts a 25kg object 1 meter high. Calculate the work done against gravity. (g = 9.8 m/s²)
First, calculate the weight of the object.
A car engine provides 2000 N of force to move the car 50 m. How much work is done?
Use the work formula directly with given values.
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