Quiz about Forces & Energy-Chapter 2 Quiz

Question 1

What is the term used to describe a push or pull on an object?

Accepted Answer

Force

Answer

Newton

Answer

Net force

Answer

Unbalanced forces

Question 2

What is the unit of force called?

Accepted Answer

Newton

Answer

Force

Answer

Net force

Answer

Balanced forces

Question 3

What term is used to describe the total force acting on an object when all the individual forces are added together?

Accepted Answer

Net force

Answer

Force

Answer

Newton

Answer

Balanced forces

Question 4

What do we call a net force that is not zero?

Accepted Answer

Nonzero net force

Answer

Force

Answer

Balanced forces

Answer

Newton

Question 5

What term describes forces that are equal in size but opposite in direction, resulting in no movement?

Accepted Answer

Balanced forces

Answer

Net force

Answer

Unbalanced forces

Answer

Nonzero net force

Question 6

What term is used for forces that are not equal and opposite, and can cause a change in the object's motion?

Accepted Answer

Unbalanced forces

Answer

Balanced forces

Answer

Net force

Answer

Nonzero net force

Question 7

What is a force described as?

Accepted Answer

B) A push or a pull

Answer

A) A type of energy

Answer

C) A form of light

Answer

D) A chemical reaction

Question 8

How can the direction and strength of a force be represented?

Accepted Answer

C) By an arrow

Answer

A) Using a color scale

Answer

B) With a numerical value only

Answer

D) Through a sound wave

Question 9

What does the length of the arrow representing a force tell you?

Accepted Answer

C) The strength of the force

Answer

A) The weight of the object

Answer

B) The color of the force

Answer

D) The temperature of the object

Question 10

What is the SI unit for measuring the strength of a force?

Accepted Answer

C) Newton (N)

Answer

A) Joule (J)

Answer

B) Pascal (Pa)

Answer

D) Watt (W)

Question 11

What is the net force on an object?

Accepted Answer

The combination of all the forces acting on an object

Answer

The force that cancels out all other forces

Answer

The smallest force acting on an object

Answer

The force that is opposite to the direction of motion

Question 12

What happens when the net force on an object is nonzero?

Accepted Answer

The object accelerates

Answer

The object's motion does not change

Answer

The object disappears

Answer

The object remains at rest

Question 13

How do you find the net force when forces on an object act in opposite directions?

Accepted Answer

By subtracting the strength of the smaller force from the strength of the larger force

Answer

By adding the strengths of all the individual forces

Answer

By multiplying the strengths of the larger force with the smaller force

Answer

By dividing the strength of the larger force by the strength of the smaller force

Question 14

What is the result when the total net force on an object is 0?

Accepted Answer

The forces are balanced and do not change the motion of the object

Answer

The object moves in the direction of the larger force

Answer

The object's motion changes

Answer

The forces are unbalanced

Question 15

Which phrase describes a characteristic of unbalanced forces but not balanced forces?

Accepted Answer

Net force does not equal 0 N

Answer

Net force = 0 N

Answer

Do not change an object's motion

Answer

Have direction

Question 16

Which phrase describes a characteristic of balanced forces but not unbalanced forces?

Accepted Answer

Net force = 0 N

Answer

Change an object's motion

Answer

Net force does not equal 0 N

Answer

Push or pull

Question 17

Which phrase is a common characteristic of both unbalanced and balanced forces?

Accepted Answer

Have direction

Answer

Change an object's motion

Answer

Do not change an object's motion

Answer

Push or pull

Question 18

What is the SI unit for force?

Accepted Answer

newton

Answer

force

Answer

balanced force

Answer

unbalanced force

Question 19

What is the definition of force?

Accepted Answer

push or pull

Answer

The SI unit for force

Answer

Sum of all forces acting on an object

Answer

Can change an object's motion

Question 20

What does balanced force mean?

Accepted Answer

Will not change an object's motion

Answer

The SI unit for force

Answer

Sum of all forces acting on an object

Answer

push or pull

Question 21

What is the definition of unbalanced force?

Accepted Answer

Can change an object's motion

Answer

The SI unit for force

Answer

Sum of all forces acting on an object

Answer

push or pull

Question 22

What does net force refer to?

Accepted Answer

Sum of all forces acting on an object

Answer

The SI unit for force

Answer

push or pull

Answer

Will not change an object's motion

Question 23

What do balanced forces do to the motion of an object?

Accepted Answer

Do not change the motion

Answer

Change the motion

Answer

Reverse the motion

Answer

Accelerate the motion

Question 24

What happens to an object's motion when a net force is applied?

Accepted Answer

It changes direction

Answer

It does not change

Answer

It accelerates

Answer

It remains constant

Question 25

If Manuel exerts a force of 10 N to push a desk to the right and Lynn exerts a force of 15 N to push the desk to the left, which direction will the desk move?

Accepted Answer

To the left

Answer

To the right

Answer

It will not move

Answer

Upwards

Question 26

What do you exert when you pull on a window shade?

Accepted Answer

A pull

Answer

A push

Answer

A twist

Answer

A lift

Question 27

What can be used to represent the direction and strength of a force?

Accepted Answer

A vector

Answer

A scalar

Answer

A point

Answer

A line

Question 28

The strength of a force is measured in what units?

Accepted Answer

Newtons

Answer

Meters

Answer

Kilograms

Answer

Joules

Question 29

What determines if and how an object will accelerate?

Accepted Answer

The net force

Answer

The mass of the object

Answer

The volume of the object

Answer

The color of the object

Question 30

When two forces act in opposite directions, what will happen to the object?

Accepted Answer

It will accelerate in the same direction as the larger force.

Answer

It will move in a circular path.

Answer

It will not move at all.

Answer

It will accelerate in the direction of the smaller force.

Question 31

How is a force described?

Accepted Answer

By its strength and direction

Answer

By its color and texture

Answer

By its direction and type

Answer

By its effect and cause

Question 32

Which type of friction occurs when an object rolls over a surface?

Accepted Answer

Rolling Friction

Answer

Sliding Friction

Answer

Static Friction

Answer

Fluid Friction

Question 33

What is the force that attracts a body toward the center of the earth, or toward any other physical body having mass?

Accepted Answer

Gravity

Answer

Friction

Answer

Mass

Answer

Weight

Question 34

What is the measure of the amount of matter in an object?

Accepted Answer

Mass

Answer

Friction

Answer

Gravity

Answer

Weight

Question 35

What is the name given to the force that opposes the relative motion or tendency of such motion of two surfaces in contact?

Accepted Answer

Friction

Answer

Gravity

Answer

Mass

Answer

Weight

Question 36

What is the force called that two surfaces exert on each other when they rub against each other?

Accepted Answer

Friction

Answer

Gravity

Answer

Tension

Answer

Pressure

Question 37

Friction acts in a direction that is...

Accepted Answer

Opposite to the object's motion

Answer

The same as the object's motion

Answer

Perpendicular to the object's motion

Answer

Unrelated to the object's motion

Question 38

What type of friction occurs when two solid surfaces slide over each other?

Accepted Answer

Sliding friction

Answer

Static friction

Answer

Fluid friction

Answer

Rolling friction

Question 39

Static friction acts between objects that are...

Accepted Answer

Not moving

Answer

Moving at constant speed

Answer

In a state of acceleration

Answer

Moving through a fluid

Question 40

What is gravity?

Accepted Answer

A force that pulls objects toward each other

Answer

A force that pushes objects away from each other

Answer

The distance between two objects

Answer

The amount of matter in an object

Question 41

According to the law of universal gravitation, what is required for gravity to act between two objects?

Accepted Answer

The objects must have mass

Answer

The objects must be in motion

Answer

The objects must be of the same size

Answer

The objects must be a certain distance apart

Question 42

Why do we not notice the gravitational attraction between small objects like a pencil and ourselves?

Accepted Answer

Because these forces are extremely small compared to the force of Earth's attraction

Answer

Because the Earth does not have gravity

Answer

Because the force of gravity does not exist between small objects

Answer

Because small objects are not affected by gravity

Question 43

What two factors affect the gravitational attraction between objects?

Accepted Answer

Mass and distance

Answer

Mass and weight

Answer

Distance and speed

Answer

Weight and height

Question 44

How does the distance between two objects affect the gravitational force between them?

Accepted Answer

The shorter the distance, the stronger the gravitational force

Answer

The greater the distance, the stronger the gravitational force

Answer

The distance does not affect the gravitational force

Answer

The gravitational force is constant regardless of distance

Question 45

What is the difference between mass and weight?

Accepted Answer

Mass is the amount of matter in an object, while weight is a measure of the force of gravity on an object

Answer

Mass is a measure of the force of gravity on an object, while weight is the amount of matter in an object

Answer

Mass is the amount of space an object occupies, while weight is the force of gravity on an object

Answer

Mass and weight are different terms for the same concept

Question 46

Does your mass change when you go to different planets?

Accepted Answer

No, it remains the same on any planet

Answer

Yes, it increases depending on the size of the planet

Answer

Yes, it decreases depending on the size of the planet

Answer

It changes randomly

Question 47

Why would your weight vary on each planet?

Accepted Answer

Because the strength of each planet's gravitational force is different

Answer

Because the amount of matter in your body changes

Answer

Because the distance between planets is different

Answer

Because your mass changes on different planets

Question 48

What are the two factors that affect the frictional force between two surfaces?

Accepted Answer

Texture and area of contact

Answer

Mass and volume

Answer

Speed and temperature

Answer

Weight and distance

Question 49

What two factors affect the gravitational force between two objects?

Accepted Answer

Mass and distance

Answer

Speed and direction

Answer

Volume and texture

Answer

Temperature and pressure

Question 50

How does mass differ from weight?

Accepted Answer

Mass is a measure of how much matter an object has, while weight is the force of gravity on an object.

Answer

Mass is the force of gravity on an object, while weight is a measure of how much matter an object has.

Answer

Mass is a measure of how much space an object occupies, while weight is the force of gravity on an object.

Answer

Mass is the force of gravity on an object, while weight is a measure of how much space an object occupies.

Question 51

What is the definition of rolling friction?

Accepted Answer

The type of friction that occurs when a wheel turns on a surface

Answer

The force that pulls objects toward each other

Answer

The type of friction that exists between oil and a door hinge

Answer

The force that one surface exerts on another when two surfaces rub against each other

Question 52

What does static friction refer to?

Accepted Answer

The type of friction that occurs between objects that aren't moving

Answer

The force that pulls objects toward each other

Answer

The force that one surface exerts on another when two surfaces rub against each other

Answer

The type of friction that occurs when you rub sandpaper against wood

Question 53

What is the definition of fluid friction?

Accepted Answer

The type of friction that exists between oil and a door hinge

Answer

The force that pulls objects toward each other

Answer

The type of friction that occurs when you rub sandpaper against wood

Answer

The force that one surface exerts on another when two surfaces rub against each other

Question 54

What does the term weight refer to?

Accepted Answer

A measure of the force of gravity on an object

Answer

The type of friction that occurs when a wheel turns on a surface

Answer

The type of friction that occurs when you rub sandpaper against wood

Answer

The force that one surface exerts on another when two surfaces rub against each other

Question 55

What is gravity?

Accepted Answer

The force that pulls objects toward each other

Answer

The type of friction that occurs when you rub sandpaper against wood

Answer

The force that one surface exerts on another when two surfaces rub against each other

Answer

A measure of the force of gravity on an object

Question 56

What does Newton's First Law of Motion also known as?

Accepted Answer

Law of Inertia

Answer

Law of Acceleration

Answer

Law of Force

Answer

Law of Action-Reaction

Question 57

Which law is described by the formula F=ma, where F is force, m is mass, and a is acceleration?

Accepted Answer

Newton's Second Law of Motion

Answer

Newton's First Law of Motion

Answer

Newton's Third Law of Motion

Answer

Law of Motion

Question 58

Newton's Third Law of Motion can be summarized by which of the following phrases?

Accepted Answer

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

Answer

An object at rest stays at rest, and an object in motion stays in motion.

Answer

The force exerted by an object is equal to its mass times its acceleration.

Answer

The amount of inertia an object has depends on its mass.

Question 59

What term is used to describe the tendency of an object to resist changes in its state of motion?

Accepted Answer

Inertia

Answer

Acceleration

Answer

Force

Answer

Motion

Question 60

What is the term for the rate of change of velocity of an object?

Accepted Answer

Acceleration

Answer

Inertia

Answer

Force

Answer

Motion

Question 61

What is the term for a push or pull on an object that can cause it to accelerate?

Accepted Answer

Force

Answer

Inertia

Answer

Acceleration

Answer

Motion

Question 62

What is the term for the change in position of an object over time?

Accepted Answer

Motion

Answer

Inertia

Answer

Acceleration

Answer

Force

Question 63

What term describes a pair of forces acting on two interacting objects that are equal in magnitude and opposite in direction?

Accepted Answer

Action-Reaction Pairs

Answer

Inertia

Answer

Acceleration

Answer

Motion

Question 64

What does Newton's First Law of Motion state?

Accepted Answer

An object at rest will stay at rest, and an object in motion will stay in motion unless a force acts on it.

Answer

An object in motion will change its velocity unless a force acts on it.

Answer

Force equals mass times acceleration.

Answer

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

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