Force of Friction If the switch off the engine of car it will stop after moving a certain distance. It means that some retarding force is acting on the car which stops it. The force opposing the motion of the car is called "force of friction".The frictional force is tangential to the surface in contact and always in a direction opposite to the direction of motion of the … [Read more...] about What Is The Force Of Friction
Applications of frictional forces
What Is The Normal Force
What Is The Normal Force The external agent which tends to set a body in motion or which changes the speed and direction of motion of a body or which can change the shape of a body is called force. SI unit of force is Newton.Types of Forces:(a) Non Contact: These are the forces in which contact between two objects is not necessary. Gravitational force between two … [Read more...] about What Is The Normal Force