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In which of the following situations would the least work have been done?
150 J
1 W
A 600-N force is applied to an object and moves it 0 m.
In order to do work, an object must be moved.
27.5 W
870 J
J
work per unit of time
Fernando does 550 Joules of work in 20 seconds. What was Fernando's power?
150 J
1 W
A 600-N force is applied to an object and moves it 0 m.
In order to do work, an object must be moved.
27.5 W
870 J
J
work per unit of time
Robert pulls a bucket of water 15 meters up from the bottom of a well. He pulled with a force of 58 newtons. How much work did Robert do?
150 J
1 W
A 600-N force is applied to an object and moves it 0 m.
In order to do work, an object must be moved.
27.5 W
870 J
J
work per unit of time
How much work would you have to do in order to life a 60 N object 2.5 meters?
150 J
1 W
A 600-N force is applied to an object and moves it 0 m.
In order to do work, an object must be moved.
27.5 W
870 J
J
work per unit of time
Which of the following is the best definition for power?
150 J
1 W
A 600-N force is applied to an object and moves it 0 m.
In order to do work, an object must be moved.
27.5 W
870 J
J
work per unit of time
1 J/s equals-
150 J
1 W
A 600-N force is applied to an object and moves it 0 m.
In order to do work, an object must be moved.
27.5 W
870 J
J
work per unit of time
In what unit or units is work measured?
150 J
1 W
A 600-N force is applied to an object and moves it 0 m.
In order to do work, an object must be moved.
27.5 W
870 J
J
work per unit of time
When you are holding a heavy object stationary in your arms, you are not doing any work even though you may get tired. Why is this?
150 J
1 W
A 600-N force is applied to an object and moves it 0 m.
In order to do work, an object must be moved.
27.5 W
870 J
J
work per unit of time
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