Newton's 3rd Law and Collisions Pre-Quiz

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1. What is a force? *

1 point

A push

A pull

Something that Jedis use

Both a and b

2. What does Newton's Third Law State? *

1 point

An object in motion will stay in motion unless acted on by an outside force

Force is proportional to the mass of the object and the acceleration of the object

For every force acting on an object, there is an equal reaction force in the opposite direction

There is only one force

3. According to Newton's third law, what happens when you push against a wall? *

1 point

The wall pushes back at you with double the amount of force

The wall doesn't push back at all

The wall pushes back with half as much force

The wall pushes back with the same force

4. Two marbles of equal mass collide (hit) with each other. One is moving and the other is stationary (standing still). Select the best answer. *

1 point

Both marbles will immediately come to a stop

The moving marble will hit the stationary marble. The moving marble will stop, and the stationary marble will start moving with the same velocity as the moving marble

Both marbles will roll backwards

The moving marble will gain more momentum after it hits the stationary marble

5. The effect that a collision force has on an object largely depends on... *

1 point

Its mass

How fast it is going

Both of these

None of these

6. Justin Bieber ran into a wall and fell backwards. Why did the wall not fall backwards? *

1 point

Because Justin had more mass than the wall, so the force had less of an effect.

Because the wall had more mass than Justin, so the force had less of an effect.

Justin was WEAK.

None of these

7. Select the truest statement: *

1 point

The wall hit Justin with a greater force that Justin hit the wall with, which is why he fell backwards

The wall hit Justin with less force than he hit the wall with

The wall hit Justin with a force equal to the force that he ran into the wall

None of these

8. According to the image above, why does the object with less mass go flying, even though it receives the same amount of force as the larger mass? *

16. Re-Write the Objectives in your own words. What are 2 actions you can take to meet the objectives? *

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