Impulse and Momentum Review

Which of these equations is used to calculate momentum?

• p = mv

• p = m/v

• p = m + v

• p = v/m

Tags

NGSS.HS-PS2-2

Which of these units are used for momentum, impulse, and momentum change?

• kg*m/s

• m/s

• N/m

• kg

Tags

NGSS.HS-PS2-2

Which object listed below has the greatest momentum?

• 0.05 kg object rolling at 0.2 m/s.

• 0.15 kg object rolling at 2 m/s.

• 0.15 kg object rolling at 1 m/s

• 0.4 kg object rolling at 2 m/s.

Tags

NGSS.HS-PS2-2

During a collision, an object experiences an impulse. The impulse causes, and is equal, to the _____ of the object

• energy change

• kinetic energy change

• force

• momentum

• momentum change

Tags

NGSS.HS-PS2-2

How does applying a larger force over a shorter time period affect the impulse delivered to an object?

• It decreases the impulse.

• It increases the impulse.

• It has no effect on the impulse.

• It changes the direction of the impulse.

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

A 0.2 kg ball is thrown with a velocity of 15 m/s. What is the impulse required to stop the ball?

• 3 Ns

• 0 Ns

• 15 Ns

• 30 Ns

Tags

NGSS.HS-PS2-2

Which of the following is a real-world example of impulse?

• A car maintaining a constant speed on a highway.

• A baseball being hit by a bat.

• A person standing still on a moving escalator.

• A satellite orbiting Earth.

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-3

Which two quantities are needed to calculate momentum?

​ ​ (a)  

• mass & velocity

• force & velocity

• force & time

• mass & time

• force & acceleration

Tags

NGSS.HS-PS2-2

The momentum of a 55kg person running at 7 m/s north is __ kg*m/s north.

Mathematical Equivalence

OFF

Tags

NGSS.HS-PS2-2

If a 100 kg car has a momentum of 2000 kg m/s to the left, the velocity of the car is __ m/s to the left.

Mathematical Equivalence

ON

Tags

NGSS.HS-PS2-2