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If you exert a force of 20 N to push a box 30 m in 25 s, how much work did you do?
600 J
A man pulls a wagon with 1 N of force for 50 m.
increase the amount of work you do
100 J
Pushing a child on a swing.
5
20 N
to change the direction of the input force
Pulleys function as simple machines
600 J
A man pulls a wagon with 1 N of force for 50 m.
increase the amount of work you do
100 J
Pushing a child on a swing.
5
20 N
to change the direction of the input force
How much work do you do if you exert a force of 50 N over 2 m?
600 J
A man pulls a wagon with 1 N of force for 50 m.
increase the amount of work you do
100 J
Pushing a child on a swing.
5
20 N
to change the direction of the input force
Which of these is an example of work being done on an object?
600 J
A man pulls a wagon with 1 N of force for 50 m.
increase the amount of work you do
100 J
Pushing a child on a swing.
5
20 N
to change the direction of the input force
Simple machines can do all of the following except
600 J
A man pulls a wagon with 1 N of force for 50 m.
increase the amount of work you do
100 J
Pushing a child on a swing.
5
20 N
to change the direction of the input force
In which scenario is the most work performed?
600 J
A man pulls a wagon with 1 N of force for 50 m.
increase the amount of work you do
100 J
Pushing a child on a swing.
5
20 N
to change the direction of the input force
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!)
600 J
A man pulls a wagon with 1 N of force for 50 m.
increase the amount of work you do
100 J
Pushing a child on a swing.
5
20 N
to change the direction of the input force
If it takes 500 J of work to move an object 25 m, how much force was exerted?
600 J
A man pulls a wagon with 1 N of force for 50 m.
increase the amount of work you do
100 J
Pushing a child on a swing.
5
20 N
to change the direction of the input force
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