# What is momentum with examples.

Momentum is defined as the quantity of motion of the body. All objects have mass therefore if an object is moving, then it has momentum – it has its mass in motion. Momentum depends upon the variables mass and velocity. We can change momentum by changing its mass or changing its velocity, a mass unit is multiplied by a velocity unit to provide a momentum unit.
• All objects have some amount of mass, so when they move or in motion condition then these possess momentum.
• Momentum has both magnitude and direction as it is a vector quantity.
• The momentum of a particle is a measure of the time required for a constant force to bring it to rest.
• The momentum of any object that is at rest is 0.
• If the mass is kept constant, then the momentum of an object is directly proportional to its velocity.
• In terms of an equation, the momentum of an object is equal to the mass of the object times the velocity of the object.

## Examples of momentum

Few examples of momentum are listed below.

1. A train moving at 120 km/h
2. A baseball flying through the air
3. A heavy truck moving
4. A bullet fired from a gun
5. When you throw a ball at someone and it hits him hard. It is an indication of how hard it would be to stop the object.

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#### 1 Comment

1. Khushi

Thank you for ur good answer