# All Courses

• #### Friction

Friction is a kind of force that opposes relative motion. It comes into existence at the...

• #### Mass and Weight

Mass is a measure of the atoms contained in an object, and the number of atoms in the object...

• #### Gravity

Gravity is the force which pulls all bodies towards the centre of the earth, keeps the planet...

• #### Momentum

The force which a body possesses, due to the combined effect of its mass and velocity is called...

• #### Couple

When two forces are applied simultaneously on a body which are equal in magnitude, opposite in...

• #### Lever

A lever is a rigid straight or bent bar which is capable of rotating about a fixed axis of...

• #### Torque

The moment of the force ie, torque about a point is defined as the product of the force and the...

• #### force

Force Newton's First Law Newton's Second Law Newton's Third Law   |...

• #### Equations of Motion

Equations of Motion

• #### Acceleration

Time rate of change in velocity is known as acceleration. It is a vector quantity. ...