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Contact Forces Quiz_22.23

Last updated almost 2 years ago

20 questions

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Question 1

1.

What vocabulary word does this picture show?

Damage

Object

Force

Elastic limit

Question 2

2.

What vocabulary word does this picture show?

Collision

Breaking point

Deform

Free body diagram

Question 3

3.

What vocabulary word does that picture show?

Peak force

Breaking point

Damage

Fragile

Question 4

4.

What vocabulary word does this picture show?

Force

Collision

Elastic limit

Fragile

Question 5

5.

What vocabulary food does this picture show?

Free body diagram

Object

Energy

Breaking point

Question 6

6.

What vocabulary word does this picture show?

Force

Damage

Fragile

Elastic limit

Question 7

7.

What vocabulary word does this picture show?

Energy

Peak force

Collision

Object

Question 8

8.

Which house has damage?

Question 9

9.

Which picture shows a contact force?

Question 10

10.

This cup has gone above its elastic limit. Why?

It will change back to how it was before.

It has deformed permanently and will not change back to how it was before.

It is completely broken because it is past its breaking point.

Question 11

11.

Look at the picture. The angry boy is applying a force to the chair.
Is the chair deforming?

No.

Yes.

Maybe; it depends on the size of the force.

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Question 15

15.

Draw a free body diagram for the ball.
-You only need to draw 1 force.
-Write where the force is coming from.

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Question 20

20.

How could you decrease the damage in this collision?

Question 12

12.

What is true about the forces in the collision between the soccer player's head and the ball?

The force on the head is equal to the force on the ball.

The force on the head is bigger than the force on the ball.

The force on the head is smaller than the force on the ball.

Question 13

13.

What happens to the ball when the player's head applies a force to it?

The ball breaks.

The ball deforms.

The ball gets bigger.

The ball is happy. 🙃 

Question 14

14.

If the speed of the ball increased, what would happen to the forces in the collision?

They would decrease.

They would stay the same.

They would increase.

Question 16

16.

Before the collision, which objects had kinetic energy?

The ball.

The head.

The ball and the head.

Question 17

17.

How could you increase the kinetic energy of the ball?

You could increase the kinetic energy of the ball by...

Question 18

18.

Look at the graphs. Graph 1 shows how mass affects kinetic energy. Graph 2 shows how speed affects kinetic energy.

Graph 1

Graph 2

If you wanted to increase the kinetic energy of the ball more, what should you do?

Increase the mass.

Increase the speed.

It does not matter; mass and speed have equal effects on kinetic energy.

Question 19

19.

A different player gets hit by a tennis ball. The speed of the tennis ball is the same as the soccer ball, but the mass of the tennis ball is less (smaller) than the mass of the soccer ball. Why are the forces in this collision different than the soccer ball and head collision?

They are smaller.

They are the same.

They are bigger.