A delivery man carries a 5.0-kg box up a flight of stairs 4.0 m above the ground. How much work was done on the box by the man?

Question

A delivery man carries a 5.0-kg box up a flight of stairs 4.0 m above the
ground. How much work was done on the box by the man? Remember that
he is countering gravity which acts downward with an acceleration of 9.8
m/s^2.
A.) J
B.) 20 J
C.) 49 J
D.) 98 J
E.) 196 J

Kunduz · Accepted Answer

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