Physics Facts, Unit 6.1: Momentum and Impulse

Front

Impulse is a...

Back

Vector that points in the same direction as net force.

Front

The __________ on an object is equal to its momentum change.

Back

Impulse.

Front

Impulse is the effect of a force acting over a period of...

Back

time.

Front

Momentum is a...

Back

Vector that points in the same direction as velocity.

Front

Write the equation for momentum (all lowercase, no spaces).

Back

p=mv, p=vm.

Front

What is the unit of momentum?

Back

kg·m/s.

Front

What does the principle of conservation of momentum state?

Back

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

Front

What is the relationship between impulse and momentum?

Back

Impulse is equal to the change in momentum.

Front

What is the formula for impulse?

Back

Impulse = Force × Time.

Front

How does increasing the time of impact affect impulse?

Back

Increasing the time of impact increases the impulse.