Force and Motion: Interactive Learning Quizzes for 6th Grade Science

Question 1

According to Newton's Third Law of Motion, for every action, there is an equal and opposite:

Accepted Answer

Force

Answer

Mass

Answer

Acceleration

Answer

Energy

Question 2

Which of these is NOT a unit of force?

Accepted Answer

Kilogram

Answer

Newton

Answer

Pound

Answer

Pascal

Question 3

What is the acceleration of an object that is moving at a constant speed in a straight line?

Accepted Answer

Zero

Answer

Positive

Answer

Negative

Question 4

Which of the following is NOT a form of energy?

Accepted Answer

Force

Answer

Light

Answer

Heat

Answer

Sound

Question 5

Which object has the greatest inertia?

Accepted Answer

A bowling ball

Answer

A ping-pong ball

Answer

A feather

Answer

A car

Question 6

An object with a mass of 10 kilograms experiences a net force of 20 Newtons. What is its acceleration?

Accepted Answer

2 m/s²

Answer

0 m/s²

Answer

1 m/s²

Answer

10 m/s²

Question 7

Which of the following factors does NOT affect the acceleration of an object?

Accepted Answer

Shape

Answer

Mass

Answer

Force

Answer

Friction

Question 8

Which of the following is NOT an example of centripetal force?

Accepted Answer

Friction

Answer

Gravity

Answer

Tension in a string

Answer

Magnetic force

Question 9

Kinetic energy is the energy an object has due to its

Accepted Answer

Motion

Answer

Position

Answer

Mass

Answer

Temperature

Question 10

A ball thrown in the air is an example of

Accepted Answer

Projectile motion

Answer

Linear motion

Answer

Circular motion

Answer

Simple harmonic motion

Question 11

Friction is a force that opposes the relative motion of two surfaces in contact.

Accepted Answer

True

Answer

False

Question 12

The greater the mass of an object, the greater its

Accepted Answer

Inertia

Answer

Weight

Answer

Volume

Answer

Density

Question 13

Which of the following factors affects acceleration?

Accepted Answer

Both force and mass

Answer

Force acting on the object

Answer

Mass of the object

Answer

Neither force nor mass

Question 14

An object is moving at a constant speed in a straight line. Which of the following forces is NOT acting on the object?

Accepted Answer

No force

Answer

Applied force

Answer

Frictional force

Answer

Gravitational force

Question 15

What happens to the acceleration of an object if the force acting on it is tripled?

Accepted Answer

Triples

Answer

Decreases by a third

Answer

Stays the same

Question 16

Which of the following surfaces has the least amount of friction?

Accepted Answer

Ice

Answer

Carpet

Answer

Rubber

Answer

Metal

Question 17

A block is being pushed across a rough surface. Which of the following forces is opposing the block's motion?

Accepted Answer

Frictional force

Answer

Applied force

Answer

Gravitational force

Question 18

A car is driving at a speed of 20 m/s and applies the brakes, causing it to come to a stop in 5 seconds. What is the car's acceleration?

Accepted Answer

-4 m/s²

Answer

4 m/s²

Answer

-20 m/s²

Answer

20 m/s²

Question 19

According to Newton's First Law of Motion, what happens to an object that is not moving?

Accepted Answer

It stays still.

Answer

It speeds up.

Answer

It slows down.

Answer

It changes direction.

Question 20

Newton's Second Law of Motion states that an object's acceleration is directly proportional to:

Accepted Answer

the force acting on it

Answer

its mass

Answer

the distance it travels

Answer

the time it takes to move

Question 21

According to Newton's Third Law of Motion, what happens when an action occurs?

Accepted Answer

An equal and opposite reaction occurs on a different object.

Answer

An equal and opposite reaction occurs on the same object.

Answer

The force of reaction is stronger than the force of action.

Answer

The reaction always happens before the action.

Question 22

Which of the following is NOT a type of force?

Accepted Answer

Kinetic energy

Answer

Gravitational force

Answer

Magnetic force

Answer

Frictional force

Question 23

Who is known for discovering the laws of motion?

Accepted Answer

Isaac Newton

Answer

Albert Einstein

Answer

Galileo Galilei

Answer

Marie Curie

Question 24

Which law states that an object at rest will stay at rest unless acted upon by an unbalanced force?

Accepted Answer

Newton's first law of motion

Answer

Newton's second law of motion

Answer

Newton's third law of motion

Answer

Law of universal gravitation

Question 25

The formula for calculating the force acting on an object is:

Accepted Answer

F = ma

Answer

F = mv

Answer

F = mv^2

Answer

F = 1/2mv^2

Question 26

According to Newton's second law of motion, the acceleration of an object is:

Accepted Answer

Directly proportional to the net force acting on it

Answer

Inversely proportional to the net force acting on it

Answer

Equal to the net force acting on it

Answer

Not related to the net force acting on it

Question 27

Which law describes the force of attraction between two objects with mass?

Accepted Answer

Law of universal gravitation

Answer

Newton's first law of motion

Answer

Newton's second law of motion

Answer

Newton's third law of motion

Question 28

Which of the following is an example of projectile motion?

Accepted Answer

A ball thrown in the air

Answer

A car driving on a straight road

Answer

A bicycle rolling down a hill

Answer

A pendulum swinging

Question 29

The basic SI unit of force is the:

Accepted Answer

Newton

Answer

Kilogram

Answer

Meter

Answer

Second

Question 30

Which of these statements best describes Newton's first law of motion?

Accepted Answer

An object at rest stays at rest until acted on by an outside force.

Answer

An object in motion stays in motion until acted on by an outside force.

Answer

The acceleration of an object is directly proportional to the force applied to it.

Answer

For every action, there is an equal and opposite reaction.

Question 31

Friction is a force that:

Accepted Answer

Opposes the motion between two surfaces in contact

Answer

Acts in the same direction as the motion between two surfaces in contact

Answer

Increases the speed of an object

Answer

Is always zero

Question 32

A car with a mass of 1000 kg accelerates at a rate of 2 m/s². What is the force acting on the car?

Accepted Answer

2000 N

Answer

500 N

Answer

1000 N

Answer

4000 N

Question 33

Which of the following is a vector quantity?

Accepted Answer

Force

Answer

Distance

Answer

Speed

Answer

Time

Question 34

The equation F = ma represents:

Accepted Answer

Newton's second law of motion

Answer

Newton's first law of motion

Answer

Newton's third law of motion

Answer

The law of universal gravitation

Question 35

A ball is thrown vertically upward with a velocity of 10 m/s. What is its velocity at the highest point of its trajectory?

Accepted Answer

0 m/s

Answer

5 m/s

Answer

10 m/s

Answer

15 m/s

Question 36

Which of these forces acts against motion between two surfaces in contact?

Accepted Answer

Friction

Answer

Gravity

Answer

Inertia

Answer

Propulsion

Question 37

A car drives at a constant speed on a straight road. Which force acts on the car to balance out friction?

Accepted Answer

Forward force from the engine

Answer

Zero

Answer

Backward force from the brakes

Answer

Downward force from gravity

Question 38

Which of these has the highest potential energy?

Accepted Answer

A parked car on a hill

Answer

A rock on the ground

Answer

A ball held at shoulder height

Answer

A book on a desk

Question 39

In the equation F = ma, what does 'm' represent?

Accepted Answer

Mass

Answer

Force

Answer

Acceleration

Answer

Velocity

Question 40

Which of these best describes projectile motion?

Accepted Answer

A ball thrown in the air

Answer

A car on a straight road

Answer

A book falling

Answer

A spaceship in orbit

Question 41

What is the relationship between force and acceleration?

Accepted Answer

They are directly proportional.

Answer

They are inversely proportional.

Answer

There is no relationship.

Question 42

Which of these forces is not conservative?

Accepted Answer

Friction

Answer

Gravity

Answer

Springiness

Answer

Electrical force

Question 43

What is the acceleration due to gravity on Earth?

Accepted Answer

9.8 m/s²

Answer

10 m/s²

Answer

11.7 m/s²

Answer

15 m/s²

Question 44

Which of these is an example of acceleration?

Accepted Answer

A ball rolling down a slope

Answer

A car driving at a steady speed

Answer

A person sitting still

Answer

A book lying on a table

Question 45

What is the unit of force?

Accepted Answer

Newton (N)

Answer

Kilogram (kg)

Answer

Meter (m)

Answer

Second (s)

Question 46

Which of the following about friction is correct?

Accepted Answer

Friction always opposes motion

Answer

Friction only acts on things that are moving

Answer

Friction is a non-contact force

Answer

Friction increases when surfaces are smoother

Question 47

Which of the following affects the gravitational force between two objects?

Accepted Answer

Both mass and distance

Answer

Mass

Answer

Distance

Answer

Neither mass nor distance

Question 48

How does lifting an object affect its potential energy?

Accepted Answer

Increases it

Answer

Decreases it

Answer

Does not affect it

Answer

Reverses it

Question 49

Which of these forces acts without direct physical contact between objects?

Accepted Answer

Gravity

Answer

Friction

Answer

Tension

Answer

Normal force

Question 50

Inertia refers to an object's:

Accepted Answer

Resistance to changes in its motion

Answer

Speed

Answer

Weight

Answer

Acceleration

Question 51

According to Newton's first law of motion, an object at rest:

Accepted Answer

Will remain at rest unless acted upon by an unbalanced force

Answer

Will only remain at rest if gravity is acting upon it

Answer

Will continue moving until acted upon by a force

Answer

Will slow down due to friction

Question 52

Which of these factors does NOT affect the acceleration of an object?

Accepted Answer

Temperature

Answer

Mass

Answer

Force

Question 53

When a car is brought to a stop, the force responsible for slowing it down is:

Accepted Answer

Friction

Answer

Gravity

Answer

Tension

Answer

Inertia

Question 54

An object dropped from rest accelerates downward due to:

Accepted Answer

Gravity

Answer

Zero acceleration

Answer

Increasing acceleration

Answer

Decreasing acceleration

Question 55

Which of the following is a quantity with both magnitude and direction?

Accepted Answer

Force

Answer

Mass

Answer

Distance

Question 56

The standard international unit (SI unit) of force is the:

Accepted Answer

Newton

Answer

Pound

Answer

Kilogram

Answer

Meter

Question 57

Identify the scenario that represents balanced forces:

Accepted Answer

A book resting motionless on a table

Answer

A person pushing a wall with no movement

Answer

A ball rolling down an inclined plane

Answer

A car accelerating on a road