question_answer

A body of mass 3 kg is pulled up along an incline through a vertical height of 2 m. The work done is ?????

Answer:

\[m=3\,kg;\,\,h=2m;\,\,g=9.8m/{{s}^{2}};\,\,W=?\] We know that, \[W=mgh=3\times 9.8\times 2=58.8\,\,J\] Note: Work done is independent of path. It depends on the vertical height but not the path