Force Work Power Energy and Machines


   
 
Summary
Machine is a device that is used to multiply force, or to gain speed, or to change the direction of a force, or transform energy.
 
Levers, pulleys, inclined plane and gears are some of the examples of simple machines.
 
 
 
 
  
     
   
Get unlimited tutoring in Math, English, Physics, Chemistry, Biology, Algebra, Geometry and all other subjects at $99.99 per month!

(100% money-back guarantee*)