Intro to Impulse and Momentum

Front

The momentum of an object depends upon the object's ___________&_____________.

Back

mass and velocity.

Front

Which of Newton's laws gives us the formula for an impulse?

Back

Second Law.

Front

How can the force experienced by passengers in a car crash be decreased?

Back

By increasing the time it takes for the car to come to a complete stop.

Front

A 2 kg cart has a momentum of 16 kg m/s. What is its velocity?

Back

8 m/s.

Front

A runner has a momentum of 670 kg m/s and is traveling at a velocity of 9 m/s. What is his mass?

Back

74.4 kg.

Front

Define momentum.

Back

Momentum is the product of an object's mass and its velocity.

Front

What is the formula for calculating momentum?

Back

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.

Front

What is the relationship between impulse and momentum?

Back

Impulse is equal to the change in momentum (Impulse = Δp).

Front

State the principle of conservation of momentum.

Back

In a closed system, the total momentum before an event is equal to the total momentum after the event.