Collisions (Conservation of Momentum)

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

Tags

NGSS.HS-PS2-2

A moving object's __________ is its mass times its velocity. It is in the direction of motion.

• momentum

• impulse

• inelastic collision

• elastic collision

Tags

NGSS.HS-PS2-2

Kinetic energy is conserved __________ collisions.

• only in elastic

• only in inelastic

• in all

• never during

During an elastic collision, kinetic energy is _____ conserved.

• always

• sometimes

• never

During an inelastic collision, momentum is _____ conserved.

• always

• sometimes

• never

Tags

NGSS.HS-PS2-2

During an inelastic collision, kinetic energy is _____ conserved.

• always

• sometimes

• never

When objects collide elastically,

• they must stick together.

• they must bounce off of each other.

• they could either bounce or stick.

Tags

NGSS.HS-PS2-2

When objects collide completely inelastically,

• they must stick together.

• they must bounce off of each other.

• they could either bounce or stick.

Tags

NGSS.HS-PS2-2

A collision occurs when ...

• two or more objects hit each other with a force.

• an object in motion stays in motion.

• when an object at rest stays at rest.

Tags

NGSS.HS-PS2-1

NGSS.HS-PS2-2

NGSS.HS-PS2-3

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

• Elastic
• Inelastic
• Explosive
• Force

Tags

NGSS.HS-PS2-2