Question 1

What is a force?

Accepted Answer

A push or a pull that causes motion

Answer

The speed of an object over time

Answer

A material that resists motion

Answer

A measure of how far something moves

Question 2

Which situation shows balanced forces?

Accepted Answer

A book sitting still on a table

Answer

A ball speeding up

Answer

A person jumping upward

Answer

A car turning left

Question 3

What happens when forces on an object are unbalanced?

Accepted Answer

The object moves in the direction of the stronger force

Answer

Forces cancel out and nothing happens

Answer

The object loses mass

Answer

The object’s motion stays the same

Question 4

Which of these is an example of a non-contact force?

Accepted Answer

A magnet attracting a paperclip

Answer

A foot kicking a ball

Answer

A hand pulling a rope

Answer

A person pushing a cart

Question 5

Inertia is the tendency of an object to:

Accepted Answer

Resist changes in motion

Answer

Float in space

Answer

Stop when it encounters friction

Answer

Speed up when pushed

Question 6

What is the net force when two people push with 5N and 3N in the same direction?

Accepted Answer

8N

Answer

0N

Answer

2N

Answer

5N

Question 7

What is the net force when one person pushes right with 10N and another pushes left with 4N?

Accepted Answer

6N right

Answer

14N left

Answer

4N right

Answer

6N left

Question 8

What does a flat line on a distance-time graph show?

Accepted Answer

The object is not moving

Answer

The object is moving backward

Answer

The object is speeding up

Answer

The object is slowing down

Question 9

What is Newton’s First Law also called?

Accepted Answer

The law of inertia

Answer

The law of action-reaction

Answer

The law of gravity

Answer

The law of motion and energy

Question 10

Which object would have the most inertia?

Accepted Answer

A refrigerator

Answer

A pencil

Answer

A tennis ball

Answer

A soccer ball

Question 11

Which of these is an example of Newton’s Third Law?

Accepted Answer

A balloon flies forward as air rushes out

Answer

A person sitting still

Answer

A book falls when dropped

Answer

A skateboard rolls until stopped

Question 12

A box is pushed with 6N left and 6N right. What is the net force?

Accepted Answer

0N

Answer

6N right

Answer

3N left

Answer

12N left

Question 13

What happens to an object when net force is zero?

Accepted Answer

It stays still or moves at a constant speed

Answer

It changes direction

Answer

It slows down

Answer

It speeds up

Question 14

What does F = ma describe?

Accepted Answer

Newton’s Second Law

Answer

The formula for momentum

Answer

The formula for speed

Answer

Newton’s Third Law

Question 15

What force pulls all objects toward Earth?

Accepted Answer

Gravity

Answer

Friction

Answer

Velocity

Answer

Magnetism

Question 16

Which object is accelerating?

Accepted Answer

A bike turning a corner

Answer

A person standing still

Answer

A car staying at the same speed

Answer

A stopped bus

Question 17

Which graph shows an object speeding up?

Accepted Answer

A steep upward curve

Answer

A straight flat line

Answer

A downward slope

Answer

A horizontal line

Question 18

Which of these best describes friction?

Accepted Answer

A force that slows or stops motion

Answer

A force that only works in water

Answer

A force that keeps objects at rest

Answer

A force that helps objects move faster

Question 19

What force pushes back when you sit in a chair?

Accepted Answer

Normal force

Answer

Friction

Answer

Gravity

Answer

Air resistance

Question 20

A cart accelerates faster when you apply more force. This is an example of:

Accepted Answer

Newton’s Second Law

Answer

Newton’s First Law

Answer

Balanced forces

Answer

Newton’s Third Law

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