The mechanical advantage of a lifting machine is the ratio of

  • ADistance moved by effort to the distance moved by load
  • BLoad lifted to the effort applied
  • COutput to the input
  • DAll of the above
Correct Answer : (B)

Load lifted to the effort applied

Hints :

The coefficient of friction depends upon


The energy possessed by a body, for doing work by virtue of its position, is called

Join The Discussion