If you exert a force of 20 N to push a box 30 m in 25 s, how much work did you do?

In order to do work on an object, the force you exert must be

Simple machines can do all of the following except

Pulleys function as simple machines

Which of these is an example of work being done on an object?

Why is easier to use a lever to move a large rock?

In which scenario is the most work performed?

Ms. Gibby uses a crowbar to remove a large nail embedded in her deck. She pushes the bar down .5 m with a force of 25 N. The nail moves vertically upward 10 cm. What is the MA of the bar? (pay attention to your units!)

How much work do you do if you exert a force of 50 N over 2 m?

If it takes 500 J of work to move an object 25 m, how much force was exerted?

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