Newton's Laws of Motion: Interactive Learning Quizzes for Biology Majors

Question 1

According to Newton's Second Law of Motion, the acceleration of an object is directly proportional to what?

Accepted Answer

Force applied to the object

Answer

Mass of the object

Answer

Velocity of the object

Answer

Time for which the force is applied

Question 2

An object is in motion with a constant velocity. Which statement is accurate?

Accepted Answer

The net force acting on the object is zero.

Answer

The object is accelerating.

Answer

The object's momentum is changing.

Answer

The object's kinetic energy is changing.

Question 3

Which of the following is NOT a type of force?

Accepted Answer

Thermal force

Answer

Gravitational force

Answer

Frictional force

Answer

Elastic force

Question 4

A projectile is launched vertically upward with an initial velocity of 20 m/s. What is the maximum height reached by the projectile?

Accepted Answer

40 m

Answer

10 m

Answer

20 m

Answer

80 m

Question 5

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

Accepted Answer

The force of tension in a rope when an object is swung in a circle

Answer

The force of gravity between the Earth and the Moon

Answer

The force of friction between a car and the road

Answer

The force of air resistance on a moving object

Question 6

Which of the following is NOT a unit of torque?

Accepted Answer

Watt

Answer

Newton-meter

Answer

Joule

Answer

Pound-foot

Question 7

Based on Newton's first law of motion, explain what will happen to an object at rest and an object in motion if no unbalanced forces act on them.

Accepted Answer

An object at rest will remain at rest, and an object in motion will continue moving with constant speed and in the same direction.

Answer

Both objects will accelerate at the same rate.

Answer

The object at rest will start moving, and the object in motion will slow down.

Question 8

Identify the SI unit for the measurement of force.

Accepted Answer

Newton

Answer

Pound

Answer

Kilogram

Question 9

Express the mathematical relationship between force, mass, and acceleration according to Newton's second law of motion.

Accepted Answer

F = ma

Answer

F = mv^2

Answer

a = Ft

Question 10

A ball is thrown vertically upward with an initial velocity of 20 m/s. What is its velocity at the peak of its trajectory?

Accepted Answer

0 m/s

Answer

10 m/s

Answer

20 m/s

Question 11

Identify the essential condition for an object to be in equilibrium.

Accepted Answer

Zero net force acting on the object

Answer

Non-zero net force acting on the object

Answer

Constant velocity of the object

Question 12

Specify the force that resists the relative motion of two surfaces in contact.

Accepted Answer

Friction

Answer

Gravity

Answer

Inertia

Question 13

Classify 'force' as either a vector or scalar quantity.

Accepted Answer

Vector quantity

Answer

Scalar quantity

Answer

Neither vector nor scalar

Question 14

Determine the SI unit for measuring momentum.

Accepted Answer

Kilogram meters per second (kg m/s)

Answer

Newtons (N)

Answer

Joules (J)

Question 15

An astronaut in space throws a wrench forward. According to Newton's Third Law, what force acts on the astronaut in response?

Accepted Answer

A backward force

Answer

A forward force

Answer

An upward force

Answer

No force

Question 16

According to Newton's first law of motion, if an object is in motion and no forces act upon it, it will continue to move at:

Accepted Answer

Constant velocity

Answer

Accelerated velocity

Answer

Decelerated velocity

Answer

In a curved path

Question 17

The SI unit of force is the:

Accepted Answer

Newton (N)

Answer

Kilogram (kg)

Answer

Meter (m)

Answer

Second (s)

Question 18

Which of the following is an example of a non-contact force?

Accepted Answer

Gravity

Answer

Friction

Answer

Tension

Answer

Normal force

Question 19

In a simple harmonic motion, the displacement of the oscillating object is given by the equation x = Acos(ωt + φ). What does 'A' represent?

Accepted Answer

Amplitude

Answer

Frequency

Answer

Phase angle

Answer

Angular velocity

Question 20

Which of the following is NOT a type of electromagnetic wave?

Accepted Answer

Sound waves

Answer

Radio waves

Answer

Microwaves

Answer

X-rays

Question 21

Which of the following units is used specifically for measuring force?

Accepted Answer

Newton

Answer

Kilogram

Answer

Pound

Answer

Joule

Question 22

A car accelerates from rest at a rate of 5 m/s². If the car travels for 10 seconds, what is its final velocity?

Accepted Answer

50 m/s

Answer

25 m/s

Answer

75 m/s

Answer

100 m/s

Question 23

Which law of motion states that an object will remain at rest or in uniform motion in a straight line unless acted on by an unbalanced force?

Accepted Answer

Newton's First Law

Answer

Newton's Second Law

Answer

Newton's Third Law

Answer

Law of Conservation of Energy

Question 24

When a book is placed on a table, what force counteracts the force of gravity to keep the book stationary?

Accepted Answer

Normal force

Answer

Gravity

Answer

Friction

Answer

Tension

Question 25

A ball is launched vertically upward with an initial velocity of 20 m/s. What is its velocity at the highest point of its trajectory?

Accepted Answer

0 m/s

Answer

10 m/s

Answer

20 m/s

Answer

40 m/s

Question 26

According to Newton's third law, every action:

Accepted Answer

Produces an equal and opposite reaction.

Answer

Produces a reaction that is always stronger.

Answer

Produces a reaction that is always weaker.

Answer

Produces a reaction that is perpendicular.

Question 27

In Newton's Second Law of Motion, how does acceleration change as the applied force changes?

Accepted Answer

Acceleration increases in direct proportion to force.

Answer

Acceleration decreases as force increases.

Answer

Acceleration increases faster than force.

Question 28

Define equilibrium in the context of Newton's Laws of Motion and state the conditions for an object to be in equilibrium.

Accepted Answer

Equilibrium occurs when the net force acting on an object is zero, resulting in no acceleration or change in motion.

Answer

Equilibrium is a state where an object is at rest.

Answer

An object can only be in equilibrium if an unbalanced force is acting upon it.

Answer

The mass of an object has no impact on its state of equilibrium.

Question 29

Which of the following statements describes Newton's First Law of Motion?

Accepted Answer

An object will resist any change in its state of motion.

Answer

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

Answer

The acceleration of an object is directly proportional to the net force acting on it.

Answer

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

Question 30

According to Newton's Second Law of Motion, the relationship between force, mass, and acceleration is:

Accepted Answer

Force equals mass times acceleration.

Answer

Force equals acceleration times mass.

Answer

Acceleration equals force times mass.

Question 31

Which of the following statements embodies Newton's Third Law of Motion?

Accepted Answer

When one object exerts a force on a second object, the second object exerts an equal and opposite force on the first object.

Answer

The force required to accelerate an object is directly proportional to the object's mass.

Answer

An object at rest will remain at rest unless acted upon by an external force.

Answer

The momentum of a closed system remains constant.

Question 32

Which of the following is NOT a fundamental force?

Accepted Answer

Friction

Answer

Gravity

Answer

Weak nuclear force

Answer

Electromagnetic force

Question 33

The coefficient of static friction is the ratio of:

Accepted Answer

Force of friction to normal force when an object is at rest

Answer

Force of friction to applied force

Answer

Applied force to normal force

Answer

Normal force to force of friction

Question 34

Which of the following is the SI unit for force?

Accepted Answer

Newton (N)

Answer

Meter (m)

Answer

Kilogram (kg)

Answer

Second (s)

Question 35

A car travels 100 meters in 10 seconds. What is its average velocity?

Accepted Answer

10 m/s

Answer

5 m/s

Answer

15 m/s

Answer

20 m/s

Question 36

Action-reaction pairs are forces that occur in pairs and are equal in magnitude but opposite in direction. Which of the following is an example of an action-reaction pair?

Accepted Answer

When you push against a wall, the wall pushes back on you with an equal and opposite force.

Answer

When a ball falls to the ground, the ground exerts a force on the ball that is less than the force of gravity pulling it down.

Answer

When a car accelerates forward, it pushes against the road with a force greater than its acceleration.

Question 37

Momentum is a measure of an object's mass and velocity. The formula for calculating momentum is:

Accepted Answer

p = mv

Answer

p = 1/2mv^2

Answer

p = F/t

Answer

p = ma

Question 38

When an object is dropped, the only force acting on it is:

Accepted Answer

Force of gravity

Answer

Normal force

Answer

Force of buoyancy

Answer

Force of air resistance

Question 39

A projectile is an object that is thrown or launched into the air and moves along a curved path due to the force of gravity. Which of the following is an example of a projectile?

Accepted Answer

A ball thrown into the air

Answer

A car driving on a straight road

Answer

A book sitting on a table

Answer

A person walking on a sidewalk

Question 40

The path followed by a projectile launched at an angle to the horizontal is:

Accepted Answer

A parabola

Answer

A circle

Answer

A straight line

Question 41

An object at rest will remain at rest unless acted upon by an external force. Which law of motion describes this scenario?

Accepted Answer

Newton's First Law of Motion

Answer

Law of Universal Gravitation

Answer

Newton's Second Law of Motion

Answer

Newton's Third Law of Motion

Question 42

The acceleration of an object is directly proportional to the net force acting on it and inversely proportional to its mass. Which law of motion governs this relationship?

Accepted Answer

Newton's Second Law of Motion

Answer

Newton's Third Law of Motion

Answer

Newton's First Law of Motion

Answer

Law of Conservation of Energy

Question 43

For every action, there is an equal and opposite reaction. Which law of motion is this?

Accepted Answer

Newton's Third Law of Motion

Answer

Law of Conservation of Momentum

Answer

Newton's Second Law of Motion

Answer

Newton's First Law of Motion

Question 44

An object is propelled vertically upward. At the highest point of its trajectory, its velocity is:

Accepted Answer

Zero

Answer

Maximum

Answer

Minimum

Answer

Constant

Question 45

A car travels at a constant speed of 60 kilometers per hour. What is its acceleration?

Accepted Answer

Zero

Answer

60 kilometers per hour squared

Answer

1 kilometer per hour squared

Answer

10 kilometers per hour squared

Question 46

According to Newton's first law of motion, an object at rest will remain at rest unless acted upon by an unbalanced force.

Accepted Answer

True

Answer

False

Answer

Only if it is not on Earth

Answer

Only if it is in a vacuum

Question 47

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

Accepted Answer

True

Answer

Only if the objects are moving

Answer

Only for objects with equal masses

Answer

False

Question 48

Which of the following is NOT a type of force?

Accepted Answer

Velocity

Answer

Friction

Answer

Normal force

Answer

Gravity

Question 49

The acceleration due to gravity on Earth is approximately

Accepted Answer

9.8 m/s²

Answer

10.2 m/s²

Answer

9.5 m/s²

Answer

10 m/s²

Question 50

An object with a mass of 5 kg is moving with a velocity of 2 m/s. What is its kinetic energy?

Accepted Answer

10 J

Answer

20 J

Answer

5 J

Answer

15 J

Question 51

Which of the following factors affects the amount of friction between two surfaces?

Accepted Answer

All of the above

Answer

Coefficient of friction

Answer

Normal force

Answer

Surface roughness

Question 52

A car is traveling at a constant speed of 30 m/s. What is the net force acting on the car?

Accepted Answer

0 N

Answer

60 N

Answer

90 N

Answer

30 N

Question 53

A ball is thrown vertically upward with a velocity of 10 m/s. What is its maximum height?

Accepted Answer

5 m

Answer

20 m

Answer

15 m

Answer

10 m

Question 54

A satellite is orbiting the Earth in a circular path. Which of the following forces is responsible for keeping the satellite in orbit?

Accepted Answer

Gravitational force

Answer

Tension force

Answer

Frictional force

Answer

Centrifugal force