Question

determine the work done in pushing a 100kg wooden block 30 across a horizontal cocerete from with coeficient kinetic=0.48

Answer 1

Given m=100kg g=10m/s^2 s=30m coeficient kinetic=0.48 Req Wf=? Solution Wf=coeficient kinetic mgs Wf=0.48x100kgx10m/s^2x30m Wf=48x300J=14400J