Quiz #2 - Collisions

What do we analyze in slow-motion videos of collisions?

• Changes in motion of objects

• Changes in shape of objects

• Damage to objects

• All of the above

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What can a collision cause the objects involved to do?

• Change motion

• Change shape

• Both change motion and change shape

• Neither change motion nor change shape

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What occurs during a collision?

• Energy transfer

• Force between objects

• Both energy transfer and force between objects

• Neither energy transfer nor force between objects

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When do objects experience a force(s) during a collision?

• Before the collision

• During the collision; when they are touching

• After the collision

• Both before and after the collision

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Match the following vocabulary words to the image that best describes its definition

• Force

• 
• Collision

• 
• Kinetic Energy

• 
• Damage

• 

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Organize these options into the right categories

Groups:

(a) Change in Motion

,

(b) Change in Shape

• warping

• bending

• flexing

• denting

• bouncing

• speeding up

• stopping

• slowing down

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What We Know

A ​ (a)   can cause the objects involved to change ​ (b)   and/or change ​ (c)   .

Energy ​ (d)   occurs during a collision.

There is a force(s) between objects when they make ​ (e)   during a collision.

• collision
• motion
• shape
• transfer
• contact

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Level 4.0 QUESTION : This video shows a phone in an Otter Box case being dropped from a height of 10 floors. Use vocabulary from class to describe the change in motion and change in shape of the phone after it lands.

_{If you are not attempting this question, type Not Attempting in the text box.}

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A baseball player swings his bat and makes contact with a baseball. Which experiences a greater force?

• The bat applies a greater force on the ball.

• The ball applies a greater force on the bat.

• Neither. They experience the same force.

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How much do you have to push on any object to get it to deform (temporarily or permanently)?

• Temporary deformation begins when force is first applied.

• Permanent damage happens when force is first applied.

• There is no deformation when force is applied.