Question

A man cycles up a hill whose slope is 1in20. If themass of the man and the cycle is 150kg and the man covers a distance of 100m along the incline, calculate the work done by theman.

Answer 1

sinα=1/20=0.05
sinα=h/s => h=s•sinα
W=ΔPE=m•g•h=(m₁+m₂)•g•s•sinα=..