Collisions Lesson

Collisions

Multiple Choice

A large moving ball collides with a small stationary ball. The momentum

• of the large ball decreases, and the momentum of the small ball increases.

• of the small ball decreases, and the momentum of the large ball increases.

• of the large ball decreases, and the momentum of the small ball decreases.

• does not change for either ball.

Multiple Choice

If 2 objects collide and stick together, what will happen to their velocities?

• velocities will increase
• velocities will decrease
• velocities will stay the same
• none of the above

Multiple Choice

What do we call the section of a car that absorbs energy in a collision?

• windshield
• bumper
• hood
• crumple zone

Multiple Choice

No collision is either perfectly elastic or perfectly inelastic.

• True

• False

Multiple Choice

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

• Elastic
• Inelastic
• Explosive
• Force

Multiple Choice

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

• Elastic
• Inelastic
• Completely inelastic
• none

Multiple Choice

If two objects have the same mass, then the faster moving object has ____________ momentum.

• more 
• less
• the same

Multiple Choice

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

• size and shape

• mass and speed

• mass and veloctiy

• mass and energy