Quiz about Newton's Laws

Question 1

Which of the following is an example of balancing forces?

Accepted Answer

A Book resting on the table.

Answer

A pencil is knocked off the desk.

Question 2

Which of the following is an example of an unbalanced force?

Accepted Answer

A pencil that is knocked to the ground.

Answer

A book resting on the table.

Question 3

A push or a pull is called a

Accepted Answer

Force

Answer

Gravity

Question 4

What is Newton's 1st Law?

Accepted Answer

An object at rest will stay at rest, an object in motion will stay in motion, unless an unbalanced force acts upon it.

Answer

For every action there is an equal and opposite reaction.

Question 5

What is Newton's 2nd Law?

Accepted Answer

Acceleration depends on two variables, the mass of the object and the amount of force.

Answer

For every action there is an equal and opposite reaction.

Question 6

What is Newton's 3rd Law?

Accepted Answer

For every action there is an equal and opposite reaction.

Answer

Acceleration depends on two variables, the mass of the object and the amount of force.

Question 7

What explains why objects resist changes in their state of motion?

Accepted Answer

inertia

Answer

gravity

Answer

force

Answer

friction

Question 8

What explains a quantity that has BOTH speed and direction?

Accepted Answer

Velocity

Answer

Inertia

Answer

Force

Answer

Speed

Question 9

Newton's Second Law is based on two variables, they are .....

Accepted Answer

mass and the amount of force

Answer

gravity and friction

Question 10

Newton's first law states that an object must travel at a constant speed and in ___________, unless an unbalanced force acts on it.

Accepted Answer

the same direction

Answer

in a circle

Answer

a wave like manner

Question 11

What would happen if a ball was kicked is space?

Accepted Answer

It continues to move in the same direction unless it hits something or is affected by gravity or another force.

Answer

It continues in the same direction, speeding up as it goes.

Answer

It continues in the same direction, speeding up as it goes.

Question 12

Which way would a swimmer push to move forward in the water?

Accepted Answer

Backward

Answer

To the left

Answer

Forward

Answer

To the right

Question 13

The reason a boat bounces off the dock when it hits it.

Accepted Answer

When the boat exerts a force on the dock, the dock exerts a force on the boat.

Answer

The boat and the dock repel each other.

Question 14

Looking at the image. Decide if this is balanced or unbalanced.

Accepted Answer

Balanced

Answer

Unbalanced

Question 15

Looking at the image. Decide if this is balanced or unbalanced.

Accepted Answer

Unbalanced

Answer

Balanced

Question 16

Suppose an Astronaut floating in space throws a rock. What will happen to the rock?

Accepted Answer

It will continue to move at the same speed and in the same direction until it is acted upon by another force.

Answer

It will continue to move in the same direction, speeding up as it moves.

Question 17

The force that prevents a ball rolling on the ground from continuing on it's path forever is...

Accepted Answer

Friction

Answer

Gravity

Answer

Inertia

Question 18

If an object is accelerating, then the forces actin on it must be:

Accepted Answer

Unbalanced

Answer

Balanced

Question 19

Newton made rules that describe patterns of events in nature. These are called ....

Accepted Answer

Laws

Answer

Ideas

Question 20

The ___________ of the car was 65 kph.

Accepted Answer

Speed

Answer

Velocity

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