Momentum impulse

Front

What is momentum?

Back

Momentum is the quantity of motion an object has, calculated as the product of its mass and velocity.

Tags

NGSS.HS-PS2-2

Front

How is impulse defined?

Back

Impulse is the change in momentum of an object when a force is applied over a period of time.

Tags

NGSS.HS-PS2-2

Front

What is the formula for calculating impulse?

Back

Impulse = Force × Time.

Tags

NGSS.HS-PS2-1

Front

What is the relationship between impulse and momentum?

Back

Impulse is equal to the change in momentum of an object.

Tags

NGSS.HS-PS2-2

Front

If a 3 kg ball is moving at 4 m/s, what is its momentum?

Back

12 kg·m/s.

Tags

NGSS.HS-PS2-2

Front

What happens to the momentum of an object if a net force is applied?

Back

The momentum of the object changes.

Tags

NGSS.HS-PS2-2

Front

What is the unit of momentum?

Back

The unit of momentum is kg·m/s.

Tags

NGSS.HS-PS2-2

Front

If a force of 10 N is applied for 2 seconds, what is the impulse?

Back

20 N·s.

Front

What is the change in momentum if a 5 kg object speeds up from 2 m/s to 6 m/s?

Back

20 kg·m/s.

Tags

NGSS.HS-PS2-2

Front

How do you calculate the time it takes to stop an object with a known force?

Back

Time = Change in momentum / Force.