Question

A man lifts a box of 10kg to the roof of a building through stairs of slant length 13m. Calculate the work done by man ? G=10m/suare

Answer 1

the slant length is of no consequence. We need to know the vertical height of the stairs. Multiply that height in meters by (10 kg)*(10 m/s^2) = 100 N to get your answer in joules....

Answer 2

Explanation:

work done=mgh

=10*10*13(height in meter)

=1300j