Collisions Review

What is the unit for momentum?

• m/sec
• kg/sec
• kg/m
• kg m/sec

Tags

NGSS.HS-PS2-2

In a collision, the impulse is ______ the object's change in momentum

• Greater than

• Equal to

• less than

• always double

Tags

NGSS.HS-PS2-2

The equation to calculate momentum is

• p=mv
• p=1/2mv²
• p=mgh
• p=mg

Tags

NGSS.HS-PS2-2

The momentum of an object depends upon the object's ___________&_____________.

• size and shape

• mass and acceleration

• mass and veloctiy

• mass and energy

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

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-ETS1-3

NGSS.HS-PS2-3

Steve runs and jumps off of a diving board and lands on a tube (he stays in the tube). The collision between Steve and the tube is...

• Elastic

• Perfectly Elastic

• Inelastic

• Completely absurd

While playing pool, Emma notices that the pool balls bounce apart. What type of collision is this?

• Elastic

• Inelastic

• Explosive

• Force

Tags

NGSS.MS-PS2-1

What are the SI units for momentum?

• N·m

• J

• kg·m/s

• kg·m/s²

Tags

NGSS.HS-PS2-2

A child with a mass of 23 kg rides a bike with a mass of 5.5 kg at a velocity of 4.5 m/s to the south. Compare the momentum of the child with the momentum of the bike.

• Both the child and the bike have the same momentum.

• The bike has a greater momentum than the child.

• The child has a greater momentum than the bike.

• Neither the child nor the bike has momentum.

Tags

NGSS.HS-PS2-2