A person carries a mass of 20 kg and walks along the +x-axis for a distance of 150m with a constant velocity of 3 m/s. What is the work done by this person?

1 Answer
Jane
Jan 14, 2018

#0 #

Explanation:

Well,here the person is carrying the mass that means the force of which we are interested is the weight of the mass,which is acting downwards perpendicular to its displacement.
Hence, work done by the man =#FS cos 90# i.e #0#

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