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Units of Momentum
Is kg·m/s the proper unit for momentum? Can it also be expressed as ( kg·m/s² )?
Is kg·m/s the proper unit for momentum? Can it also be expressed as ( kg·m/s² )?
Momentum is a measure of an object's mass and velocity. It is calculated by multiplying an object's mass (in kilograms) by its velocity (in meters per second). The resulting unit for momentum is kg·m/s.
Momentum and force are related concepts, but they are not the same. Momentum is a measure of an object's motion, while force is a measure of the interaction between two objects. Momentum is a vector quantity, meaning it has both magnitude and direction, while force is a scalar quantity with only magnitude.
The unit for momentum is kg·m/s or kilogram meters per second. This unit is derived from the basic units of mass (kg) and velocity (m/s).
In a closed system, the total momentum remains constant. This means that if two objects collide and exchange momentum, the total momentum of the system will remain the same before and after the collision.
Newton's second law states that the net force acting on an object is equal to the mass of the object multiplied by its acceleration. This can also be written as F=ma. From this equation, we can see that force, mass, and acceleration are all related to each other. Since momentum is mass multiplied by velocity, it can also be related to force and acceleration through the equation p=mv. This shows that momentum is a useful concept in understanding how forces affect the motion of objects.