Impulse and Momentum 2020

Extending the time of a collision allows you to...

• change the impulse of the collision.

• diffuse the collision.

• increase the force of impact.

• decrease the force of impact.

Tags

NGSS.HS-PS2-3

A bug flies into the windshield of a car going the opposite way. Which of the following are true.

• the force of impact is the same for both
• the impulse is the same for both
• the acceleration of the bug is larger than the truck
• A, B, and C are all true

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-1

The purpose of crumple zones on a car is to

• decrease time of impact.

• increase force of impact.

• increase the time of impact.

• decrease the impulse during impact.

Tags

NGSS.HS-PS2-3

When a large football player and a small football player run into each other, who exerts more force?

• The heavy one

• The light one

• They are equal

• there is no such thing as force

Tags

NGSS.HS-PS2-1

What is the total impulse

for t = 0 - 5 seconds?

• 6 N*s

• 4 N*s

• 10 N*s

• 8 N*s

Tags

NGSS.HS-PS2-2

Jorge noticed a collision outside the coffee shop where two cars collided and stuck together. What type of collision did he observe?

• Elastic

• Inelastic

Tags

NGSS.HS-PS2-2

In a collision between two objects, which of the following is true?

• Total velocity before collision = total velocity after collision
• Total momentum before collision = total momentum after collision
• The total momentum decreases
• The total momentum increases

Tags

NGSS.HS-PS2-2

After a red cart and a blue cart collide, the red cart gains 5 kg m/s. What happens to the blue cart's momentum?

• It gains 5 kg m/s
• It gains 0 kg m/s
• It loses 5 kg m/s
• It loses 10 kg m/s

Tags

NGSS.HS-PS2-2

An egg is thrown at a wall and at a bed sheet. The change in momentum will be...

• Greater for the wall collision
• Greater for the sheet collision
• Change in momentum is equal

Tags

NGSS.HS-PS2-2

NGSS.HS-PS2-1

An egg is thrown at a wall and at a bed sheet. The egg's change in velocity will be

• Greater for the wall collision
• Greater for the sheet collision
• Change in velocity is equal

Tags

NGSS.HS-PS2-1