Impulse Momentum

In this type of collision, objects tend to "stick" together.

• elastic
• inelastic 
• recoil

When the speed of an object is doubled, its momentum

• remains unchanged in accord with the conservation of momentum.
• doubles
• quadruples
• decreases

Tags

NGSS.HS-PS2-2

The law of conservation of momentum states that, 

• p before is less than the p after
• p before is the same as the p after
• p before is more than the p after

Tags

NGSS.HS-PS2-2

The units for Impulse are

• N/s
• N-s
• N
• m/s

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-PS2-1

Momentum is a ____________________ quantity

• science
• scalar
• vector
• energy

Tags

NGSS.HS-PS2-2

T/F:  A big truck will always have more momentum than a small car.

• True
• False

Tags

NGSS.HS-PS2-2

The purpose of crumble 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

A(n) _________________ causes and is equal to a change in momentum

• impulse
• force
• joule
• watt

Tags

NGSS.HS-PS2-2

An egg is thrown at a wall and at a bed sheet. The force of impact will be

• Greater against the wall
• Greater against the sheet
• Force is equal

Tags

NGSS.HS-PS2-1