Forces: Interactive Learning Quizzes for Year 11 Science

Question 1

A car moves in a circular path at a constant speed. Which force acts on the car to keep it moving in a circle?

Accepted Answer

Centripetal force

Answer

Friction

Answer

Gravitational force

Question 2

A pendulum consists of a small mass hanging from a string. How does changing the length of the string and the mass of the object affect the pendulum's period?

Accepted Answer

Increasing the string length increases the period, but changing the mass has no effect.

Answer

Increasing the string length increases the period, while increasing the mass decreases it.

Answer

The period of the pendulum is not affected by the length of the string or the mass of the object.

Question 3

Which force causes an object dropped from a height to fall towards the ground?

Accepted Answer

Gravitational force

Answer

Magnetic force

Answer

Electrostatic force

Answer

Frictional force

Question 4

A vehicle traveling at a constant velocity experiences what net force?

Accepted Answer

Zero force

Answer

Positive force

Answer

Negative force

Answer

Indeterminate force

Question 5

Which of the following is a vector quantity?

Accepted Answer

Force

Answer

Mass

Answer

Volume

Answer

Time

Question 6

As a ball is thrown vertically upward, which force acts upon it at the peak of its trajectory?

Accepted Answer

Weight only

Answer

Tension only

Answer

Both weight and tension

Answer

Neither weight nor tension

Question 7

Which of Newton's laws of motion states that the acceleration of an object is proportionate to the net force acting upon it?

Accepted Answer

Newton's second law

Answer

Newton's first law

Answer

Newton's third law

Answer

Newton's law of gravity

Question 8

A 10 kg object is lifted vertically at a constant velocity. What force is required to lift the object?

Accepted Answer

98 N

Answer

196 N

Answer

294 N

Answer

392 N

Question 9

Which of the following is considered a non-contact force?

Accepted Answer

Gravity

Answer

Tension

Answer

Friction

Answer

Weight

Question 10

Which of the following is not a type of force?

Accepted Answer

Energy

Answer

Gravitational force

Answer

Magnetic force

Answer

Frictional force

Question 11

The weight of an object on Earth is:

Accepted Answer

Proportional to its mass

Answer

Equal to its mass

Answer

Independent of its mass

Answer

Equal to its volume

Question 12

Which of the following is not a source of electricity?

Accepted Answer

Light bulbs

Answer

Batteries

Answer

Solar panels

Answer

Generators

Question 13

What is the purpose of a circuit breaker?

Accepted Answer

To protect a circuit from excessive current

Answer

To store electrical energy

Answer

To control the flow of electricity through a circuit

Answer

To convert AC to DC

Question 14

Which of the following is a renewable energy source?

Accepted Answer

Hydropower

Answer

Fossil fuels

Answer

Nuclear power

Answer

Natural gas

Question 15

Identify the option that is not a recognized type of force:

Accepted Answer

Thermal force

Answer

Gravitational force

Answer

Magnetic force

Answer

Elastic force

Question 16

The gravitational force between two objects is characterized as:

Accepted Answer

An attractive force

Answer

A repulsive force

Answer

Both attractive and repulsive

Answer

Neither attractive nor repulsive

Question 17

Which factors influence the magnitude of the gravitational force between two objects?

Accepted Answer

Both mass and distance

Answer

The mass of the objects

Answer

The distance between the objects

Answer

Neither mass nor distance

Question 18

In the International System of Units (SI), the unit of force is:

Accepted Answer

Newton

Answer

Joule

Answer

Kilogram

Answer

Meter

Question 19

In a system where forces are balanced, the net force acting upon the system is:

Accepted Answer

Zero

Answer

Maximum

Answer

Minimum

Answer

Constant

Question 20

Which of the following forces does not require physical contact between objects:

Accepted Answer

Magnetic force

Answer

Pushing a box

Answer

Pulling a rope

Answer

Lifting a weight

Question 21

The mathematical equation that defines force is:

Accepted Answer

F = ma

Answer

F = mg

Answer

F = kx

Answer

F = 1/2mv^2

Question 22

In the International System of Units (SI), which unit is used to measure force?

Accepted Answer

Newton

Answer

Kilogram

Answer

Meter

Answer

Second

Question 23

A 10 N force is applied to a stationary 2 kg object. What is the object's acceleration?

Accepted Answer

2 m/s²

Answer

5 m/s²

Answer

10 m/s²

Answer

20 m/s²

Question 24

Which of the following forces requires direct contact between two surfaces?

Accepted Answer

Friction

Answer

Gravity

Answer

Electromagnetism

Answer

Magnetic force

Question 25

As a ball is thrown vertically upward, at the highest point of its path, which force is predominant?

Accepted Answer

Gravity

Answer

Air resistance

Answer

Buoyancy

Answer

Tension

Question 26

Which of these quantities is a vector?

Accepted Answer

Force

Answer

Mass

Answer

Temperature

Answer

Speed

Question 27

A force of 50 N is applied at a 30° angle to the horizontal. What is the force's vertical component?

Accepted Answer

43 N

Answer

25 N

Answer

50 N

Answer

71 N

Question 28

A wooden block with a weight of 100 N is placed on a rough horizontal surface. If the coefficient of friction is 0.2, what is the frictional force acting on the block?

Accepted Answer

20 N

Answer

50 N

Answer

100 N

Answer

200 N

Question 29

Identify the force that is NOT considered fundamental.

Accepted Answer

Frictional force

Answer

Gravitational force

Answer

Electromagnetic force

Answer

Strong nuclear force

Question 30

Identify the material that conducts electricity.

Accepted Answer

Copper

Answer

Rubber

Answer

Wood

Answer

Plastic

Question 31

In the International System of Units (SI), what is the unit of energy?

Accepted Answer

Joule

Answer

Newton

Answer

Watt

Answer

Ampere

Question 32

Which quantity is a vector?

Accepted Answer

Velocity

Answer

Temperature

Answer

Volume

Answer

Mass

Question 33

Which of the following forces require direct contact between objects?

Accepted Answer

Friction

Answer

Gravity

Answer

Electrostatic force

Answer

Magnetic force

Question 34

Which of the following quantities is a measure of the amount of matter in an object?

Accepted Answer

Mass

Answer

Speed

Answer

Acceleration

Answer

Temperature

Question 35

According to Newton's second law of motion, the acceleration produced by a force is directly proportional to the:

Accepted Answer

Mass of the object

Answer

Velocity of the object

Answer

Time of applied force

Answer

Distance moved by the object

Question 36

Which of the following quantities has both magnitude and direction?

Accepted Answer

Velocity

Answer

Mass

Answer

Volume

Answer

Temperature

Question 37

Which force is NOT fundamental in nature?

Accepted Answer

Frictional force

Answer

Gravitational force

Answer

Electromagnetic force

Answer

Strong nuclear force

Question 38

Which quantity is a vector?

Accepted Answer

Acceleration

Answer

Speed

Answer

Temperature

Answer

Energy

Question 39

What is the SI unit of frequency?

Accepted Answer

Hertz

Answer

Metre

Answer

Second

Answer

Joule

Question 40

Which is Newton's first law of motion?

Accepted Answer

An object at rest stays at rest unless acted upon by an unbalanced force

Answer

Force equals mass times acceleration

Answer

For every action, there is an equal and opposite reaction

Answer

A moving object continues at constant speed unless acted upon by an unbalanced force

Question 41

What is the formula for gravitational force?

Accepted Answer

F = Gm₁m₂/r²

Answer

F = ma

Answer

F = V²/r

Answer

F = kq₁q₂/r²

Question 42

Which of the following is a standard unit of force in the International System of Units (SI)?

Accepted Answer

Newton

Answer

Joule

Answer

Kilogram

Answer

Watt

Question 43

Which of the following types of forces acts between charged objects?

Accepted Answer

Electrostatic force

Answer

Gravitational force

Answer

Magnetic force

Answer

Friction

Question 44

A car traveling at a constant velocity on a level road experiences which of the following forces?

Accepted Answer

No net force

Answer

Force of gravity only

Answer

Force of friction only

Answer

Force of air resistance only

Question 45

Which of the following quantities is a vector?

Accepted Answer

Velocity

Answer

Mass

Answer

Temperature

Answer

Density

Question 46

At the highest point of its trajectory, the acceleration of a projectile launched vertically upward is:

Accepted Answer

9.8 m/s² downward

Answer

0 m/s²

Answer

9.8 m/s² upward

Answer

Dependent on the mass of the projectile

Question 47

At the bottom of its swing, the kinetic energy of a simple pendulum is:

Accepted Answer

Maximum

Answer

Minimum

Answer

Zero

Answer

Dependent on the length of the pendulum

Question 48

Which factor does NOT affect the efficiency of a heat engine?

Accepted Answer

Size of the engine

Answer

Temperature difference between the heat source and sink

Answer

Type of working fluid used

Answer

Friction within the engine

Question 49

Which device utilizes the principle of destructive interference in its function?

Accepted Answer

Noise-canceling headphones

Answer

Headphones

Answer

Solar cells

Question 50

Which of the following is a property of magnets?

Accepted Answer

Attract magnetic materials

Accepted Answer

Repel like poles

Answer

Have only one pole

Question 51

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

Accepted Answer

The force applied to the object

Answer

The mass of the object

Answer

The velocity of the object

Answer

The distance traveled by the object

Question 52

A car is traveling at a constant speed of 60 km/h on a level road. Which of the following forces is NOT acting on the car?

Accepted Answer

Thrust force

Answer

Gravitational force

Answer

Frictional force

Answer

Air resistance

Question 53

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 hill

Answer

A car accelerating from rest

Answer

A rocket taking off

Question 54

The SI unit of force is:

Accepted Answer

Newton

Answer

Joule

Answer

Watt

Answer

Pascal

Question 55

Which of the following is a vector quantity?

Accepted Answer

Force

Answer

Mass

Answer

Volume

Answer

Temperature

Question 56

A car accelerates uniformly from rest to a speed of 30 m/s in 10 seconds. What is the acceleration of the car?

Accepted Answer

10 m/s²

Answer

3 m/s²

Answer

30 m/s²

Answer

100 m/s²

Question 57

What is the SI unit of force?

Accepted Answer

Newton (N)

Answer

Joule (J)

Answer

Watt (W)

Answer

Pascal (Pa)

Question 58

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

Accepted Answer

A person pushing a wall that doesn't move

Answer

A ball rolling down a slope

Answer

A car accelerating

Answer

A balloon floating in the air

Question 59

According to Newton's first law of motion, an object at rest will remain at rest unless acted upon by an outside force. Is this statement true or false?

Accepted Answer

True

Answer

False

Question 60

According to Newton's second law of motion, what is the relationship between force (F), mass (m), and acceleration (a)?

Accepted Answer

F = ma

Answer

F = mv

Answer

a = F/m

Answer

v = F/m

Question 61

What is the difference between gravitational potential energy and gravitational kinetic energy?

Accepted Answer

Gravitational potential energy is stored energy due to position, while gravitational kinetic energy is energy of motion due to gravity.

Answer

Gravitational kinetic energy is stored energy due to position, while gravitational potential energy is energy of motion due to gravity.

Answer

They are the same thing.

Answer

Gravitational potential energy is related to height, while gravitational kinetic energy is related to speed.

Question 62

Which of the following is not a type of force encountered in everyday situations?

Accepted Answer

Love

Answer

Electromagnetic force

Answer

Friction

Answer

Gravity

Question 63

Identify the example that best represents a balanced force scenario.

Accepted Answer

A book resting motionless on a table

Answer

A ball rolling down a slope

Answer

A car accelerating along a straight road

Question 64

Establish the relationship between force and pressure.

Accepted Answer

Pressure = Force / Area

Answer

Force = Pressure / Area

Answer

Pressure = Area / Force

Answer

Area = Force / Pressure