Momentum and Impulse Concepts

Front

What is always constant in any collision?

Back

Total Momentum

Front

According to the Law of Conservation of __________, momentum before = momentum after.

Back

Momentum

Front

What is the formula for impulse?

Back

Impulse = Force × Time

Front

If a boy kicks a football with a force of 20 N for 0.3 s, what is the impulse on the ball?

Back

6 N⋅s

Front

What is the purpose of airbags in cars?

Back

To increase the time of impact.

Front

How can a tennis ball and a bowling ball have the same momentum?

Back

They can have different speeds.

Front

Define momentum.

Back

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

Front

What is the unit of momentum?

Back

Kilogram meter per second (kg⋅m/s) or Newton second (N⋅s)

Front

What does impulse change in an object?

Back

Impulse changes the momentum of an object.

Front

What is the relationship between impulse and momentum?

Back

Impulse is equal to the change in momentum.