Momentum; Inertia in Motion

Momentum is the mass of an object multiplied by it's _____?

• Inertia

• Weight

• Velocity

• Gravity

The difference between a car hitting a wall vs. a car hitting a hay stack is

• The change in momentum of the car hitting the wall is greater

• The force on the car hitting the hay stack is greater

• The Impulse on the car hitting the wall is greater

• The collision time of the car hitting the hay stack is greater

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

• size and shape

• mass and speed

• mass and veloctiy

• mass and energy

After an inelastic collision both objects will...

• move at the same speed

• be deformed in some way

• change momentum

• have different speeds

will the net momentum change when a cannon fires

• yes, in the direction of the cannonball

• yes, in the direction of the cannon

• no, the net movement does not change

• yes, in both directions

Bouncing makes an impact on a body (a)   then a singular hit ​

• higher
• lower
• the same as

____? The quantity of motion of a moving body, measure as a product of its mass and velocity

When two bodies are traveling at the same velocity, but have different momentum, what is coming into play?

If velocity is halved, momentum is​ (a)  

• halved
• doubled
• unchanged

Why does a person undergo fewer injuries when falling onto a thick mat, than a concrete sidewalk?