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JULIE PA double ®
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What exactly is "Momentum"?
What exactly is "Momentum"?
What exactly is "Momentum"?
Originally posted by JULIE PA double ®
What exactly is "Momentum"?
Quantity of motion.Originally posted by JULIE PA double ®
What exactly is "Momentum"?
Momentum is a physical quantity that describes the motion of an object. It is a measure of the amount of motion an object has and is dependent on the mass and velocity of the object.
Momentum is calculated by multiplying an object's mass by its velocity. The equation for momentum is P = m * v, where P is momentum, m is mass, and v is velocity.
The units of momentum are kilogram-meters per second (kg∙m/s) in the metric system and slug-feet per second (slug∙ft/s) in the imperial system.
Momentum is important because it is a fundamental concept in physics and helps us understand the motion of objects. It is also conserved, meaning it remains constant unless acted upon by an external force.
Momentum is closely related to Newton's laws of motion. The first law states that an object at rest will remain at rest and an object in motion will remain in motion with a constant velocity unless acted upon by an external force. This is directly related to the conservation of momentum. The second law states that the acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. This can be expressed as F = ma, where F is force, m is mass, and a is acceleration. The third law states that for every action, there is an equal and opposite reaction. This means that when two objects collide, the total momentum of the system remains the same before and after the collision.