What is momentum, explain with good example?

Momentum is a commonly used term in sports. A team that has the momentum is on the move and is going to take some effort to stop. A team that has a lot of momentum is really on the move and is going to be hard to stop. read more

The linear momentum of a particle p , defined as the product of the mass and the velocity of the particle ([math]m[/math]v), is a vector directed through the particle in the direction of motion . read more

An example illustrating the usefulness of momentum as a concept in physics is the idea of a solar sail, whereby a spacecraft could propel itself by reflecting light off of giant mirrored sheets, sailing on a solar wind. read more