Quiz about 8.1 Test 1 Review

Question 1

the push or pull an object experiences due to making contact with another object.

Accepted Answer

contact forces

Answer

elastic limit

Answer

breaking point

Answer

deformation

Question 2

a temporary or permanent change in shape, motion, or function of an object.

Accepted Answer

deformation

Answer

contact force

Answer

elastic limit

Answer

breaking point

Question 3

the largest amount an object can be deformed and still return to its original shape after the force is removed.

Accepted Answer

elastic limit

Answer

contact force

Answer

deformation

Answer

breaking point

Question 4

the amount an object deforms and cannot return to its original shape after the force is removed.

Accepted Answer

breaking point

Answer

contact force

Answer

elastic limit

Answer

deformation

Question 5

the thing that changes in each test

Accepted Answer

independent variable

Answer

dependent variable

Answer

control variable

Answer

line of best fit

Question 6

A line that helps us see that the data might be closer to a linear relationship than we suspected at first.

Accepted Answer

line of best fit

Answer

independent variable

Answer

dependent variable

Answer

control variable

Question 7

these are variables to keep constant in each test

Accepted Answer

control variable

Answer

independent variable

Answer

dependent variable

Answer

line of best fit

Question 8

the effect of the change

Accepted Answer

dependent variable

Answer

independent variable

Answer

control variable

Answer

line of best fit

Question 9

Which scenario below is the same type of collision as two moving cars crashing into each other?

Accepted Answer

Baseball player hitting a fastball

Answer

A golf ball and golf club

Answer

A tree falling onto a house

Answer

Stepping on a pair of glasses on the floor

Question 10

Cart A with 4 washers collided with Cart B with 2 washer. The peak force recorded for Cart A was 2N. What is the peak force recorded for Cart B?

Accepted Answer

2N

Answer

1N

Answer

3N

Answer

4N

Question 11

Look at the data for two different materials. Which material has the lowest breaking point?

Accepted Answer

Material B

Answer

Material A

Question 12

Which graph shows the best "line of best fit" for the scatter plot?

Accepted Answer

Option C is correct

Answer

A.

Answer

B.

Answer

D.

Question 13

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

Accepted Answer

Neither. They experience the same force.

Answer

The bat applies a greater force on the ball.

Answer

The ball applies a greater force on the bat.

Question 14

Kinetic Energy is the energy of ___________.

Accepted Answer

Motion

Answer

Height

Answer

Position

Answer

Size

Question 15

Based on what you know about collisions, which of the following statements below is most likely correct.

Accepted Answer

This is likely a real image - Although a golf ball feels hard it is capable of deforming.

Answer

This is likely a fake image - Hard objects like a golf ball are too hard to deform.

Answer

This could be real, but with a fake ball - Only soft objects are capable of deforming.

Question 16

7. There are three types of collisions that tend to happen frequently in soccer: A) Headers, B) Collisions between players heads and C) when players hit the ground. How would the amount of force on the head compare to the amount of force on the object it collides with, in each system A, B, and C?

Accepted Answer

In EVERY collision, the peak force on the head would be the SAME as the peak force on the other object in the collision.

Answer

In SOME, BUT NOT ALL collisions, the peak force on the head would be the SAME as the peak force on the other object in a collision.

Answer

In EVERY collision, the peak force on the head would be DIFFERENT than the peak force on the other object in the collision.

Question 17

In a collision at least one object will experience a change in motion.

Accepted Answer

True

Answer

False

Question 18

When any two objects make contact, each object applies a force on the other surface they touch. The strength of those forces are...

Accepted Answer

the same but in opposite directions.

Answer

the same and in the same direction.

Answer

different but in the same direction.

Answer

different and in opposite directions.

Question 19

A tire company is investigating how different tires impact a cars top speed. They use the same car for each trial they run, but replace the tires each time. For each new set of tires they put on, they run a new trial and record the car's top speed. Determine which variable is independent, dependent, and controlled.

Accepted Answer

Tires: IV

Speed: DV

Same Car: Control

Answer

Tires: DV

Speed: IV

Same Car: Control

Answer

Tires: Control

Speed: IV

Same Car: DV

Answer

Tires: DV

Speed: Control

Same Car: IV

Question 20

The graphs below show the results from a test performed on steel that measured how much the material deformed when pushed with DIFFERENT forces. Based on these graphs what might we conclude about the THICKNESS of these objects?

Accepted Answer

The steel object depicted by graph A is THINNER than the steel object depicted by graph B and so it deformed MORE.

Answer

The steel object depicted by graph A is THICKER than the steel object depicted by graph B and so it deformed MORE.

Answer

The steel object depicted by graph A is THICKER than the steel object depicted by graph B and so it deformed LESS.

Answer

The steel object depicted by graph A is THINNER than the steel object depicted by graph B and so it deformed LESS.

Question 21

At a force of 4N, which Diagram matches with Material A?

Accepted Answer

Diagram 4

Answer

Diagram 1

Answer

Diagram 2

Answer

Diagram 3

Question 22

At a force of 4N, which Diagram matches with Material B?

Accepted Answer

Diagram 3

Answer

Diagram 1

Answer

Diagram 2

Answer

Diagram 4

Question 23

At a force of 4N, which Diagram matches with Material C?

Accepted Answer

Diagram 2

Answer

Diagram 1

Answer

Diagram 3

Answer

Diagram 4

Question 24

At a force of 4N, which Diagram matches with Material D?

Accepted Answer

Diagram 1

Answer

Diagram 2

Answer

Diagram 3

Answer

Diagram 4

Question 25

Do all objects have the same breaking point?

Accepted Answer

No, different objects can withstand different amounts of force.

Answer

Yes, all objects break when the same amount of force is applied to them.

Question 26

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

Accepted Answer

Temporary deformation begins when force is first applied.

Answer

You need to apply a lot of force before temporary deformation will begin.

Answer

Permanent damage happens when force is first applied.

Answer

There is no deformation when force is applied.

Question 27

What did we see happen to the different materials as the force applied to them was increased?

Accepted Answer

The deformation INCREASED for all materials but each material had a DIFFERENT rate of deformation.

Answer

The deformation DECREASED for all materials at the SAME rate.

Answer

The deformation INCREASED for all materials at the SAME rate.

Answer

There was no deformation.

Question 28

12. What happens when an object has reached it's elastic limit (its maximum amount of deformation)?

Accepted Answer

It deforms permanently .

Answer

Nothing, it stops changing shape.

Answer

It keeps bending.

Question 29

In a collision at least one object will experience a change in motion.

Accepted Answer

True

Answer

False

Question 30

What are the variables that affect a material's elastic limit? Check all that apply. (3 choices)

Accepted Answer

Type of Material

Accepted Answer

Thickness/Shape

Accepted Answer

Durability/Flexibility

Answer

Color

8.1 Test 1 Review

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