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Bundle 1: Newton's Third Law of Motion

Authored by Jaime Bradford

Science, Physics

8th Grade

Used 1+ times

Bundle 1:  Newton's Third Law of Motion
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5 questions

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1.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

A baseball bat hits a baseball with a force of 100 Newtons. What is the force and its direction exerted by the ball on the bat?

100 Newtons, same direction

100 Newtons, opposite direction

200 Newtons, same direction

200 Newtons, opposite direction

2.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

According to Newton’s Third Law, if someone jumps off a skateboard, the skateboard will roll backwards because -

the mass of the skateboard is the same as the mass of the person jumping off.

the pull of gravity on the person is the same as on the skateboard, regardless of size.

the air resistance on the person is great and the friction on the skateboard is small.

for the force that sent the person forward, there is an equal force pushing back on the skateboard.

3.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The nozzle of a rocket is pointed downward so that as fuel is ignited, the exhaust pushes downward. Why is this arrangement necessary for a rocket to function properly?

The rocket is protected from the heat of the exhaust.

Burned fuel can be collected on the ground.

As fuel is combusted, the rocket pushes the gases backward and the gases push the rocket forward.

This allows the rocket to be steered properly.

4.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

Newton's third law describes action and reaction forces. A table of four scenarios is provided.


Which of the scenarios described in the table show equal and opposite reaction forces?

The rocket and balloon

The rocket and train

The balloon and girl

The train and girl

5.

MULTIPLE CHOICE QUESTION

30 sec • 1 pt

Media Image

The head of a hammer is often made of steel. This makes the head heavy, which helps create a strong force for driving nails. Steel is also strong. The head of a hammer must be strong to resist what force?

The force of the air resistance on the moving hammer

The force of the person using the hammer

The force of gravity pulling down on the hammer

The force of the nail pushing in the opposite direction

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