A box of mass 1 kg is pulled through 1 m along a level floor by a horizontal force of 8 N. The box is then raised vertically on to a bench 2 m high. What is the total workdone on the box? (Take g = 10 m/s2)

A box of mass 1 kg is pulled through 1 m along a level floor by a hor

1.	A box of mass 1 kg is pulled through 1 m along a level floor by a horizontal force of 8 N. The box is then raised vertically on to a bench 2 m high. What is the total workdone on the box? (Take g = 10 m/s2)
A.	18 J
B.	28 J
C.	8 J
D.	\(\sqrt{8^2+20^2} \ J\)
Answer» C. 8 J

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A box of mass 1 kg is pulled through 1 m along a level floor by a horizontal force of 8 N. The box is then raised vertically on to a bench 2 m high. What is the total workdone on the box? (Take g = 10 m/s2)

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