John pushes a refrigerator with 40 N of force over 10 meters. How much work has he done?
A)No work at all.
B)40 joules.
C)400 joules.
D)800 joules.
E)1000 joules.

Name: John pushes a refrigerator with 40 N of force over 10 meters. How much work has he done? A)No work at all. B)40 joules. C)400 joules. D)800 joules. E)1000 joules.
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Question

Quizplus · Accepted Answer

John has done 400 joules worth of work. Work is calculated as a force applied over a distance, or W = F*d. Thus, W = 40N*10m = 400 J.

John Pushes a Refrigerator with 40 N of Force Over