Forces Assessment 1

Using the image (with the empty/white box representing a fragile object) please answer the following question. Remember, you can click on the image to make it larger. Which letter (A B or C) represents 2 cars speeding and crashing into one another?

• A.
• B
• C
• None of thee above

Using the image (with the empty/white box representing a fragile object) please answer the following question. Remember, you can click on the image to make it larger. Which letter (A B or C) represents a fragile CD case falling down onto concrete.

• A.
• B
• C
• None of thee above

Using the image (with the empty/white box representing a fragile object) please answer the following question. Remember, you can click on the image to make it larger. Which letter (A B or C) represents a baseball flying towards a thin glass window?

• A.
• B
• C
• None of thee above

A __________________ happens when two objects make contact.

• Distribution

• Alignment

• Disaster

• Collision

A ball changed direction when it hit a toy in the park. What CAUSED the ball to change direction?

• A change in mass

• A change in force

• A change in speed

• A change in gravity

What causes a change in motion and shape when objects collide?

• Forces acting on the object

• Damage point on the object

• Balanced forces on the object

• Distance on the object

What happens when two objects collide?

• They always get damaged.
• They may or may not get damanged.
• They never get damanged.
• They always deform (bend or change shape)

Which graph shows the Line of Best Fit?

• A

• B

• C

• D

What did the data reveal about how 3 wooden coffee stirrers bent under increasing force?

• There was NO CHANGE in the amount that the coffee stirrers bent with each new Newton of force added.

• There was an INCREASE at first and then a DECREASE in the amount that the coffee stirrers bent with each new Newton of force added.

• There was an OVERALL DECREASE in the amount that the coffee stirrers bent with each new Newton of force added.

• There was an OVERALL INCREASE in the amount that the coffee stirrers bent with each new Newton of force added.

Which is an example of an unbalanced force?

• A baseball thrown to home plate.

• A rock sitting still in a river.

• A ball at the top of a hill not moving.

• A plate on a dining table.