Derive a relationship between S.I. and C.G.S. unit of work

  1. Derive a relationship between S.I. and C.G.S. unit of work.
  2. A force acts on a body and displaces it by a distance S in a direction at an angle θ with the direction of force. What should be the value of θ to get the maximum positive work?

Answer

  1. 1 J = 1 N x 1 m
    1 J = 10 5 dyn x 100 cm
    1 J = 10 7 ergs