# A man carrying a bag of total mass 25kg climbs up to a height of 10m in 50 seconds. Calculate the power delivered by him on the bag.

Given data,

mass(m)=25 kg

displacement(s) = 10 m

time taken(t) = 50 s

As the man is working against gravity so force(F) applied is

mg= 25 kg × 10 m/s2 = 250 N

Power = work done/time taken

=(force×displacement)/(time taken)

=

=50 watt(w)

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