What Is The Normal ForceThe 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 Cont…

Newton’s Laws Of Motion(A) Newton’s First Law of MotionA body can not change its state of motion by itself. If the object is at rest it will remain at rest and if it is in uniform motion, it continues to be in motion unless some external force is applied…