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- 1. By iTutor.com T- 1-855-694-8886Email- info@iTutor.com
- 2. Momentum A quantity expressing the motion of a body or system, equal to the product of the mass of a body and its velocity, and for a system equal to the vector sum of the products of mass and velocity of each particle in the system. Momentum = mass • velocity
- 3. Momentum The momentum of a ball depends on its mass and velocity. Ball B has more momentum than ball A.
- 4. Momentum and collisionsMomentum p=mv(kg m/sec) Velocity (m/sec) Mass (kg) Momentum is a vector; its direction is the same as the direction of the velocity.
- 5. Conservation of Momentum The law of conservation of momentum states when a system of interacting objects is not influenced by outside forces (like friction), the total momentum of the system cannot change.If you throw a rock forward from askateboard, you will move backward inresponse.
- 6. Example of conservation of momentum SHOOTING A GUN AND RECOIL
- 7. Law of Conservation Of Momentum Total momentum of an isolated system before collision is always equal to total momentum after collision.MATHEMATICAL REPRESENTATION Consider an Two bodies A and B and mass m1 and m2 moving initially with velocities u1 and u2 Total momentum before collision = m1u1 + m2u2 Let after collision their velocities become v1 and v2. Total momentum after collision = m1v1 + m2v2
- 8. Law of Conservation Of MomentumAccording to the law of conservation of momentum m1u1 + m2u2 = m1v1 + m2v2
- 9. www.itutor.comThe End

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