The SI Unit of Momentum is

By BYJU'S Exam Prep

Updated on: September 25th, 2023

Kilogram meter per second is the SI unit of Momentum. It is the product of the mass and velocity of an object. It possesses a magnitude and a direction hence it is a vector quantity.

Answer: The SI unit of Momentum is kilogram meter per second. It is represented as kg⋅m/s.

The SI unit of Momentum is equivalent to the newton-second. The formula to determine the momentum of an object is p = mv where p is momentum, m is the mass of the object and v is the velocity of the object. The direction of momentum is the same as that of velocity.

Three Laws of Motion

There are three laws of motion. Each one of them has been elucidated below.

  • First Law of Motion: It states that the motion of objects on an inclined plane moves with a constant speed when no force acts on them.

  • Second Law of Motion: It states that the rate of change of momentum of an object is proportional to the applied unbalanced force in the direction of the force.

  • Third Law of Motion: It implies that when one object exerts a force on another object, the second object instantaneously exerts a force back on the first.


The SI Unit of Momentum is

The SI unit of momentum is kg⋅m/s. It depends on the frame of reference. Its dimension is MLT−1.

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