The total work is
(mass of the elevator, kg) x (9.8 m/s²) x (9.0 m) Joules .
The way it rotates is Counter-clockwise
The net force on the sledge is 31.64N.
Frictional force = µkR
= 0.269 x 42.2 x 9.81 = 111.36
net force = 143N - 111.36N
= 31.64N
refer brainly.com/question/24557767
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It would be a bike that doesn't use an electric circuit.
