Final answer:
The SI unit of momentum is c) kg·m/s, which represents the mass of an object in kilograms multiplied by its velocity in meters per second. It is directly related to the concepts of impulse and force as described by Newton's second law of motion.
Step-by-step explanation:
The SI unit of momentum is c) kg·m/s. Momentum is a concept in physics that is calculated by the product of an object's mass (in kilograms) and its velocity (in meters per second). According to Newton's second law in terms of momentum, the net force applied to a system equals the rate of change of the momentum that the force causes.
This relationship also makes it clear that the SI unit of force, the Newton (N), is fundamentally kg m/s², which when multiplied by time (s), gives the unit of momentum as kg m/s, which is the rate of change of momentum over time, also called impulse.
For example, problem statements such as 'For how long should a force of 50 N be applied to change the momentum of an object by 12 kg·m/s?' illustrate the use of this SI unit in practical scenarios. Understanding the SI unit for momentum is vital for solving problems related to impulse and collisions. Impulse is equal to the object's change in momentum and is crucial for problems involving forces and changes in velocity.
Therefore answer is c) kg·m/s.