Question

complete the correction
S.I. unit unit of momentum: kg.m/s2: : C.G.S unit of momentum:​

Answer 1

Answer:

SI unit is kg.m/s

CGS unit of momentum is gram.cm/s

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Answer 2

Explanation:

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Derived Unit of Momentum

In mathematical terms, the momentum of an object is the product of the mass of the object and its velocity.

Momentum = mass * velocity

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In physics, the momentum of an object is denoted by 'p'. So the equation can be written as,

p = m * v

Where,

m = mass of the body, and

v = velocity of the body

The above equation describes that the momentum of a body is directly proportional to the mass & its velocity.

The si unit of momentum in physics is the product of units of mass and velocity. The unit of mass is kg, and that of velocity is ms−1

. Hence, the SI unit of momentum is kgm/s⁻¹.

Other Momentum Units

Let us consider a situation in which the applied force is equal to the rate of change of momentum of the object. So,

Force = rate of change of momentum

or

Force = (change in momentum)/(time interval) then,

Change in momentum = Force * (time interval).

Hence, the SI unit for momentum in physics can also be Newton-second (Ns).

In the CGS system, the mass of an object is considered in grams, and velocity is considered in terms of centimeters per second. Therefore, the unit of momentum is gram-centimeters per second (g⋅cm/s).