Quiz about S1S1 Newton's 3rd Law

Question 1

A rocket pushes burning gases DOWN which causes the rocket to launch UP. Which law is this?

Accepted Answer

Law 3

Answer

Law 1

Answer

Law 2

Question 2

A skateboarder pushes the ground BACKWARDS which causes the board to move FORWARD.

Accepted Answer

Law 3

Answer

Law 1

Answer

Law 2

Question 3

For every _______ there is an equal and opposite ________.

Accepted Answer

action, reaction

Answer

reaction, action

Answer

action, action

Answer

reaction, reaction

Question 4

A _______ is a push or pull.

Accepted Answer

Force

Answer

Newton

Answer

Acceleration

Answer

Momentum

Question 5

What pulls a ball back to earth?

Accepted Answer

Gravity

Answer

Gas

Answer

Friction

Answer

Molecules

Question 6

What is the standard unit force is measured in?

Accepted Answer

Newton

Answer

Gram

Answer

Pound

Answer

Meter

Question 7

What is Newton's Third Law of Motion?

Accepted Answer

For every action there is an equal and opposite reaction

Answer

Object in motion stays in motion and an object at rest stays at rest unless acted on by an unbalanced force

Answer

Force = m x a

Question 8

The law in the picture represents---

Accepted Answer

Newton's 3rd law

Answer

Newton's 1st law

Answer

Newton's 2nd law

Answer

Newton's 4th law

Question 9

20 N describes the ----

Accepted Answer

Force

Answer

Mass

Answer

Acceleration

Answer

Weight

Question 10

What is the difference between mass and weight?

Accepted Answer

mass is how much matter is in an object, and weight is the gravitational pull on that object

Answer

mass and weight are the same

Answer

weight affects how much mass is in an object

Answer

weight is determined by how many atoms make up an object

Question 11

Gravity is less on the Moon than on the Earth because:

Accepted Answer

the Moon has less mass than the Earth.

Answer

the Moon is smaller than the Earth.

Answer

the Moon has a bigger mass than the Earth.

Answer

the Moon is bigger than the Earth.

Question 12

When a cannon fires a cannonball we observe Newton's third law. Which is the reaction force?

Accepted Answer

The cannon moving backwards

Answer

The cannon moving forward

Answer

The cannonball moving backwards

Answer

The cannonball moving forward

Question 13

Action reaction forces never cancel each other out because

Accepted Answer

They act on different objects.

Answer

They act on the same objects

Answer

They do not act on objects.

Question 14

Action-reaction pairs can cause a change in motion.

Accepted Answer

True

Answer

False

Question 15

When the person pushes the ground with their foot, the equal and opposite reaction force is

Accepted Answer

the ground pushing back on their foot

Answer

when they start to move forward

Question 16

Force always come in________

Accepted Answer

pairs

Answer

waves

Answer

triplets

Question 17

When a heavy football player and a light one run into each other, who exerts more force

Accepted Answer

Their force are equal

Answer

The light one

Answer

The heavy one

Question 18

The forces in a force pair are in _______ direction

Accepted Answer

opposite

Answer

same

Question 19

What happens to the balloon if the air is released ?

Accepted Answer

Balloon goes up

Answer

Balloon goes right

Answer

Balloon goes down

Answer

Balloon goes left

Question 20

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?

Accepted Answer

100 Newtons, opposite direction

Answer

100 Newtons, same direction

Answer

200 Newtons, opposite direction

Answer

200 Newtons, same direction

Question 21

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?

Accepted Answer

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

Answer

The rocket is protected from the heat of the exhaust.

Answer

Burned fuel can be collected on the ground.

Answer

This allows the rocket to be steered properly.

S1S1 Newton's 3rd Law

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