Month: August 2015

  • CBSE Physics | Force and Laws of Motion: Law of Conservation of Momentum

    Force and Laws of Motion: Part 3 Law of Conservation of momentum: – According to this law, the total momentum of an object remains constant if no net external force is applied on the object. Illustration of the law of conservation of momentum: – Let a moving ball collides with a stationary ball lying on…

  • CBSE Physics | Force and Laws of Motion: Part 2

    Force and Laws of Motion: Part 2 Momentum: – The quantity of motion possessed by a moving body is known as momentum of the body. Momentum of a body may be defined as the product of the mass of the body and the velocity of the body. It is denoted by ā€˜pā€™ According to definition…