A box is pushed across the floor for a distance of 5 meters with a force of 50 newtons in 5 seconds.
a. How much work is done?
b. What is the power?
c. If the box is pushed back again, what is the total amount of work done
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a)Work=Force*Displacement
=50 N*5 m
=250 J
b)Power=Work/Time
=250 J/5 sec
=50 W
c)Work done=250 J+250 J
=500 J
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