Question

Calculate the work done by a person in lifting a load of 20kg from ground and placing it 1m high on the table .
( hint :- work done = force × displasement )​

Answer 1

Answer:

M = 20 kg

h = 1 m

Work done against gravitational force,

W = mgh

= 20 x 9.8 x 1

= 196 J