Question

what is the modern theory of law of conversation of linear momentum? and ist types.?​

Answer 1

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The law of conservation of linear momentum states that the total linear momentum of an isolated system remains constant. See also: Angular momentum; Conservation of momentum; Energy; Momentum.

There are two kinds of momentum, linear and angular. A spinning object has angular momentum; an object traveling with a velocity has linear momentum. For now, and throughout chapter 7, we'll deal with linear momentum, and just refer to it as momentum, without the linear.

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