1 : the strength or force that something has when it is moving forward momentum The wagon gathered/gained momentum [=it moved faster] as it rolled down the hill.

What momentum exactly mean?

Momentum is a physics term; it refers to the quantity of motion that an object has. A sports team that is on the move has the momentum. ... Momentum can be defined as "mass in motion." All objects have mass; so if an object is moving, then it has momentum - it has its mass in motion.

What is the meaning of momentum in simple words?

Momentum is defined as the amount of motion occurring in something that is moving, or the force that drives something forward to keep it moving. An example of momentum is how quickly a car is moving down a hill. ... (physics) (of a body in motion) The product of its mass and velocity.