Question

Define momentum and state its S.I unit. State the principle of conversation of momentum and write its mathematical formula​

Answer 1

Answer:

Momentum is the quantity of motion of a moving body. It is expressed mathematically as p = m * v and has units of kg m/s. The principle of conservation of momentum states that in an isolated system, two objects that collide have the same combined momentum before and after the collision.

Explanation:

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Answer 2

• Momentum, product of the mass of a particle and its velocity. Momentum is a vector quantity; i.e., it has both magnitude and direction. Isaac Newton's second law of motion states that the time rate of change of momentum is equal to the force acting on the particle. See Newton's laws of motion.
• SI unit: kilogram meter per second kg⋅m/s
• Other units: slug⋅ft/s
• Common symbols: p, p
• Dimension: MLT−1

• One of the most powerful laws in physics is the law of momentum conservation. For a collision occurring between object 1 and object 2 in an isolated system, the total momentum of the two objects before the collision is equal to the total momentum of the two objects after the collision.