foreverengineers

 An air compressor is machine which compress the air and increase its pressure.

  Nuclear Energy The nuclear energy is the large amount of energy that can be released from small mass of active material. Primary fuel used in nuclear power plants is Ura nium (U 235 ) . Secondary fuel used in nuclear power plants is Uranium (U 233 ) and Plutonium (P u239 ).

  Friction :- A force acting in the opposite direction of motion of the body is called friction. Types of Friction: a) Static friction:- It is the friction experienced by the body at rest. b) Dynamic friction:- The friction experienced by the body in motion. It is also called as kinematic friction.