Momentum, Impulse, and Conservation of Momentum

Front

What is momentum?

Back

Momentum is the product of an object's mass and its velocity, represented by the formula p = mv, where p is momentum, m is mass, and v is velocity.

Front

What is impulse?

Back

Impulse is the change in momentum of an object when a force is applied over a period of time, calculated as Impulse = Force × Time.

Front

What is the principle of conservation of momentum?

Back

The principle of conservation of momentum states that in a closed system, the total momentum before an event is equal to the total momentum after the event, provided no external forces act on it.

Front

Is momentum a scalar or vector quantity?

Back

Momentum is a vector quantity, meaning it has both magnitude and direction.

Front

How does increasing the time of impact affect force?

Back

Increasing the time of impact decreases the force experienced during the impact, as impulse is constant.

Front

What happens to momentum in a collision?

Back

In a collision, the total momentum of the system before the collision is equal to the total momentum after the collision, assuming no external forces.

Front

What factors affect the momentum of an object?

Back

The momentum of an object depends on its mass and velocity.

Front

What is the relationship between impulse and momentum?

Back

Impulse is equal to the change in momentum of an object, expressed as Impulse = Δp = p_final - p_initial.

Front

What occurs when a cannon fires a cannonball?

Back

When a cannon fires a cannonball, the cannon recoils backwards due to the conservation of momentum.

Front

What is the formula for calculating impulse?

Back

Impulse can be calculated using the formula Impulse = Force × Time.