Motion and Forces: Master the Fundamentals of Physics

Question 1

What is the difference between potential energy and kinetic energy?

Accepted Answer

Potential energy is stored energy, while kinetic energy is energy of motion.

Answer

Kinetic energy is stored energy, while potential energy is energy of motion.

Answer

Potential energy and kinetic energy are the same thing.

Question 2

What is the formula for gravitational potential energy?

Accepted Answer

GPE = mgh

Answer

GPE = 1/2 mv^2

Answer

GPE = KE

Question 3

Which of the following is an example of a renewable energy source?

Accepted Answer

Solar energy

Answer

Coal

Answer

Natural gas

Question 4

Rocket propulsion is an application of Newton's third law of motion.

Accepted Answer

True

Answer

False

Question 5

A car travels 100 meters in 10 seconds. Its average speed is:

Accepted Answer

10 m/s

Answer

5 m/s

Answer

100 m/s

Answer

1000 m/s

Question 6

Which of the following is a vector quantity?

Accepted Answer

Acceleration

Answer

Mass

Answer

Temperature

Answer

Energy

Question 7

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

Accepted Answer

At rest stays at rest, and an object in motion stays in motion at constant speed unless acted upon by an outside force.

Answer

In motion stays at rest, and an object at rest stays in motion at constant speed unless acted upon by an outside force.

Question 8

Which of the following is a vector quantity?

Accepted Answer

Velocity

Answer

Temperature

Answer

Mass

Answer

Time

Question 9

Which of the following is an example of a balanced force?

Accepted Answer

A book resting on a table

Answer

A ball rolling down a slope

Answer

A person pushing a lawnmower

Answer

A car accelerating on a highway

Question 10

Work is defined as:

Accepted Answer

Force times distance moved in the direction of the force

Answer

Force times distance moved perpendicular to the force

Answer

Distance moved divided by force

Answer

Force divided by distance moved

Question 11

Which of the following is a form of energy that is stored in an object due to its motion?

Accepted Answer

Kinetic energy

Answer

Potential energy

Answer

Thermal energy

Answer

Chemical energy

Question 12

The law of conservation of energy states that:

Accepted Answer

Energy can be transferred from one form to another, but the total amount of energy remains the same

Answer

Energy can be created or destroyed

Answer

Energy is lost over time

Answer

Energy is gained over time

Question 13

According to Newton's first law of motion, what happens to an object at rest?

Accepted Answer

It will remain at rest until acted upon by an unbalanced force

Answer

It will start moving at a constant speed

Answer

It will accelerate at a constant rate

Answer

It will move in a circular motion

Question 14

Which of the following forces acts between any two objects with mass?

Accepted Answer

Gravity

Answer

Friction

Answer

Tension

Answer

Normal force

Question 15

Which of the following is NOT a form of energy?

Accepted Answer

Mass

Answer

Kinetic energy

Answer

Potential energy

Answer

Light energy

Question 16

The force of friction always acts in which direction?

Accepted Answer

Opposite to the direction of motion

Answer

In the direction of motion

Answer

Perpendicular to the direction of motion

Answer

Equal to the force applied

Question 17

Which of the following is a balanced force?

Accepted Answer

Two forces of equal magnitude pushing a box in opposite directions

Answer

A force pushing a box to the right

Answer

A force pulling a box to the left

Answer

Two forces of unequal magnitude pushing a box in the same direction

Question 18

The weight of an object is related to which of the following?

Accepted Answer

The mass of the object times acceleration due to gravity

Answer

The force of gravity acting on the object

Answer

The force required to lift the object

Answer

The force required to move the object

Question 19

Which Newton's law explains how rockets work?

Accepted Answer

Newton's third law

Answer

Newton's first law

Answer

Newton's second law

Answer

Law of conservation of energy

Question 20

Which of the following is NOT one of Newton's laws of motion?

Accepted Answer

Momentum is conserved in a closed system.

Answer

An object at rest stays at rest, and an object in motion stays in motion with the same speed and in the same direction unless acted upon by an outside force.

Answer

The acceleration of an object is directly proportional to the net force acting on the object and inversely proportional to its mass.

Answer

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

Question 21

Which of the following forces is responsible for keeping the planets in orbit around the sun?

Accepted Answer

Gravitational force

Answer

Electrostatic force

Answer

Magnetic force

Answer

Frictional force

Question 22

Which of the following is a characteristic of friction?

Accepted Answer

It always opposes motion.

Answer

It is proportional to the force applied.

Answer

It is independent of the surface area in contact.

Answer

It is a conservative force.

Question 23

As a roller coaster ascends to the peak of a hill, what form of energy does it acquire?

Accepted Answer

Potential energy

Answer

Kinetic energy

Answer

Thermal energy

Answer

Electrical energy

Question 24

How does friction impact a car's movement when it drives on different road surfaces?

Accepted Answer

Friction increases on icy roads, making it harder for the car to move.

Answer

Friction remains constant on all road surfaces, not affecting the car's motion.

Answer

Friction decreases on dry pavement, making it easier for the car to move.

Answer

Friction has no effect on a car's motion, regardless of the road surface.

Question 25

A hiker hikes 5 kilometers east and then turns and walks 3 kilometers north. What is the hiker's total displacement?

Accepted Answer

5.83 kilometers, 31 degrees north of east

Answer

8 kilometers north

Answer

8 kilometers east

Question 26

What force pulls objects towards each other?

Accepted Answer

Gravity

Answer

Friction

Answer

Electromagnetism

Answer

Tension

Question 27

Which of the following is a unit of force?

Accepted Answer

Newton

Answer

Meter

Answer

Kilogram

Answer

Second

Question 28

What is the relationship between force, mass, and acceleration?

Accepted Answer

Force = mass x acceleration

Answer

Acceleration = force x mass

Answer

Mass = force x acceleration

Answer

There is no relationship between these quantities.

Question 29

What is the SI unit of energy?

Accepted Answer

Joule

Answer

Newton

Answer

Meter

Answer

Second

Question 30

Which of the following is an example of a centripetal force?

Accepted Answer

The force that keeps a car moving in a circle

Answer

The force of gravity between the Earth and the Moon

Answer

The force that pushes a book off a table

Answer

The force that causes a ball to bounce

Question 31

What is the difference between speed and velocity?

Accepted Answer

Speed is a scalar quantity, while velocity is a vector quantity.

Answer

Velocity is a scalar quantity, while speed is a vector quantity.

Answer

Speed and velocity are the same thing.

Answer

Speed is a measure of distance traveled, while velocity is a measure of displacement.

Question 32

Which of the following is NOT a type of fundamental force in physics?

Accepted Answer

Frictional force

Answer

Magnetic force

Answer

Gravitational force

Answer

Electrical force

Question 33

When a car accelerates, the force that causes it to move forward is provided by:

Accepted Answer

Traction force

Answer

Air resistance

Answer

Gravity

Answer

Friction

Question 34

The energy an object possesses due to its motion is known as:

Accepted Answer

Kinetic energy

Answer

Potential energy

Answer

Elastic energy

Answer

Chemical energy

Question 35

The standard unit of force in the International System of Units (SI) is:

Accepted Answer

Newton

Answer

Joule

Answer

Meter

Answer

Kilogram

Question 36

Which of the following is NOT considered a force in science?

Accepted Answer

Happiness

Answer

Gravity

Answer

Magnetism

Answer

Friction

Question 37

According to Newton's first law of motion, an object at rest will remain at rest unless acted upon by an outside force. What is this law commonly known as?

Accepted Answer

Law of Inertia

Answer

Law of Gravity

Answer

Law of Conservation of Energy

Answer

Law of Motion

Question 38

As described by Newton's second law of motion, what is the mathematical relationship between force, mass, and acceleration?

Accepted Answer

Force = mass * acceleration

Answer

Force = acceleration / mass

Answer

Mass = force * acceleration

Answer

Acceleration = force + mass

Question 39

Which of the following is an example of a force that requires physical contact between objects to act?

Accepted Answer

Friction

Answer

Gravity

Answer

Magnetism

Question 40

What is the fundamental force that attracts objects towards each other, causing them to fall?

Accepted Answer

Gravity

Answer

Friction

Answer

Tension

Answer

Buoyancy

Question 41

Which of the following is NOT a recognized form of energy transformation?

Accepted Answer

Creation of energy

Answer

Chemical to thermal energy

Answer

Mechanical to electrical energy

Answer

Electrical to light energy

Question 42

In the International System of Units (SI), what is the standard unit for measuring force?

Accepted Answer

Newton (N)

Answer

Joule (J)

Answer

Watt (W)

Answer

Pascal (Pa)

Question 43

Which two factors primarily affect the strength of the gravitational force between two objects?

Accepted Answer

Mass and distance

Answer

Color and texture

Answer

Shape and size

Answer

Temperature and humidity

Question 44

How does the force of friction generally change in relation to the surface area of contact between two objects?

Accepted Answer

Directly proportional

Answer

No relationship

Answer

Inversely proportional

Answer

Indirectly proportional

Question 45

Which of the following is NOT a unit of force?

Accepted Answer

Meter

Answer

Newton

Answer

Kilogram

Answer

Pound

Question 46

According to Newton's first law of motion, what happens to an object at rest if no force acts on it?

Accepted Answer

It remains at rest

Answer

It accelerates in a straight line

Answer

It moves in a straight line

Answer

It vibrates back and forth

Question 47

Which of the following factors influence the strength of the gravitational force between two objects?

Accepted Answer

Their masses and the distance between them

Answer

The presence of air

Answer

Their shapes and sizes

Answer

The temperature of the environment

Question 48

When an object is thrown upward, how does its velocity change?

Accepted Answer

It gradually decreases until the object reaches its maximum height

Answer

It increases until the object reaches its maximum height

Answer

It remains constant throughout its flight

Question 49

Which of the following is an example of a force that acts without physical contact between objects?

Accepted Answer

Gravity

Answer

Spring force

Answer

Tension

Answer

Friction

Question 50

What type of energy does a moving object possess?

Accepted Answer

Kinetic energy

Answer

Electrical energy

Answer

Elastic energy

Answer

Potential energy

Question 51

According to the law of conservation of energy, what happens to the total energy in a closed system?

Accepted Answer

It remains constant; energy can only be transferred or transformed

Answer

It can be created from nothing

Answer

It is always lost when transferred

Question 52

Which factors influence the acceleration of an object?

Accepted Answer

The object's mass and the force applied to it

Answer

Sound and light

Answer

Temperature and humidity

Answer

Color and shape

Question 53

Friction is a force that:

Accepted Answer

Opposes the motion of objects sliding or rolling over a surface

Answer

Causes objects to vibrate

Answer

Propels objects upward

Answer

Attracts objects to each other

Question 54

Which type of energy is stored in an object due to its position or state?

Accepted Answer

Potential energy

Answer

Elastic energy

Answer

Kinetic energy

Answer

Thermal energy