2m is not a speed. You must mean that he lifts the mass 2m at a constant speed. The speed is not needed.
Work done is M*g*H
H = 2.0 m
M = 2.0 kg
g = the acceleration of gravity. Use the Earth value.
How much work is done by a person lifting 2 Kg object from a bottom of a well at constant speed of 2 m is
( work =...... kj )
1 answer
1 answer