Motion: Master the Fundamentals of Object Movement

Question 1

Calculate acceleration (a) using the formula:

Accepted Answer

a = v ÷ t

Answer

a = v × t

Answer

a = t ÷ v

Answer

a = v^2 ÷ t

Question 2

An object is moving with a constant velocity. What accurately describes the object's acceleration?

Accepted Answer

Zero

Answer

Positive

Answer

Negative

Answer

Changing

Question 3

Which example illustrates a balanced force?

Accepted Answer

A book resting on a table

Answer

A person pushing on a wall

Answer

A car accelerating forward

Answer

A ball rolling down a hill

Question 4

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

Accepted Answer

Force applied to the object

Answer

Object's mass

Answer

Object's weight

Answer

Object's speed

Question 5

Identify the SI unit of momentum.

Accepted Answer

Kilogram-meter per second

Answer

Newton

Answer

Kilogram

Answer

Meter per second

Question 6

Which of the following accurately describes the connection between momentum and force?

Accepted Answer

The rate of change in momentum equals force

Answer

Impulse is equal to force

Answer

Work is equal to force

Answer

Power is equal to force

Question 7

Which of the following is a vector quantity?

Accepted Answer

Velocity

Answer

Speed

Answer

Temperature

Answer

Mass

Question 8

A ball is rolling down a slope. Which force is NOT acting on the ball?

Accepted Answer

Tension

Answer

Gravitational force

Answer

Friction

Answer

Normal force

Question 9

Which unit is used to measure acceleration?

Accepted Answer

m/s²

Answer

m/s

Answer

m³

Answer

kg

Question 10

A car is moving around a circular track. What is the direction of its acceleration?

Accepted Answer

Inward

Answer

Outward

Answer

Tangent to the track

Answer

Perpendicular to the track

Question 11

When two solid surfaces slide past each other, which type of friction is acting?

Accepted Answer

Sliding friction

Answer

Rolling friction

Answer

Static friction

Answer

Fluid friction

Question 12

Which of the following is **NOT** a Newton's law of motion?

Accepted Answer

Energy can neither be created nor destroyed, only transferred or transformed.

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 unbalanced force.

Answer

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

Answer

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

Question 13

Which of the following is a vector quantity?

Accepted Answer

Acceleration

Answer

Speed

Answer

Mass

Answer

Temperature

Question 14

A force of 10 N is applied to a mass of 2 kg. What is the acceleration of the mass?

Accepted Answer

2 m/s²

Answer

5 m/s²

Answer

10 m/s²

Answer

20 m/s²

Question 15

A projectile is launched at an angle of 45 degrees to the horizontal. What is the trajectory of the projectile?

Accepted Answer

A parabola

Answer

A straight line

Answer

A circle

Answer

An ellipse

Question 16

A body is in equilibrium if the net force acting on it is:

Accepted Answer

Zero

Answer

Non-zero

Answer

Positive

Answer

Negative

Question 17

According to Newton's first law of motion, an object at rest will remain at rest unless acted upon by an external force. True or False?

Accepted Answer

True

Answer

False

Question 18

The formula for kinetic energy is KE = 1/2 mv^2. What does 'm' represent in this formula?

Accepted Answer

Mass

Answer

Velocity

Answer

Acceleration

Answer

Force

Question 19

Which of the following is NOT a unit of speed?

Accepted Answer

N

Answer

m/s

Answer

km/h

Answer

mph

Question 20

According to Newton's second law of motion, the acceleration of an object is directly proportional to the applied force and inversely proportional to the object's mass. True or False?

Accepted Answer

True

Answer

False

Question 21

The SI unit of velocity is:

Accepted Answer

Meter per second (m/s)

Answer

Meter per second squared (m/s²)

Answer

Kilometer per hour (km/h)

Answer

Miles per hour (mph)

Question 22

Which law of motion describes how an object's acceleration is directly proportional to the net force acting on it?

Accepted Answer

Newton's Second Law

Answer

Newton's First Law

Answer

Newton's Third Law

Answer

Law of Universal Gravitation

Question 23

Which of the following forces acts between two objects without any physical contact?

Accepted Answer

Gravitational force

Answer

Friction

Answer

Tension

Answer

Normal force

Question 24

The acceleration due to gravity on Earth's surface is approximately:

Accepted Answer

9.8 m/s²

Answer

10.8 m/s²

Answer

11.8 m/s²

Answer

12.8 m/s²

Question 25

Which type of motion involves an object being projected into the air with an initial velocity?

Accepted Answer

Vertical projection

Answer

Horizontal projection

Answer

Circular motion

Answer

Simple harmonic motion

Question 26

The work done on an object is calculated as the:

Accepted Answer

Force applied multiplied by the distance moved in the direction of the force

Answer

Force applied multiplied by the time taken

Answer

Mass of the object multiplied by its acceleration

Answer

Mass of the object multiplied by its velocity

Question 27

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

Accepted Answer

Watt (W)

Answer

Joule (J)

Answer

Newton (N)

Answer

Kilogram (kg)

Question 28

The efficiency of a machine is calculated as the:

Accepted Answer

Ratio of output energy to input energy

Answer

Ratio of input energy to output energy

Answer

Ratio of work done to power

Answer

Ratio of power to work done

Question 29

An object is moving with a constant velocity. What is the magnitude of its acceleration?

Accepted Answer

Zero

Answer

Constant and non-zero

Answer

Increasing

Answer

Decreasing

Question 30

A car is travelling at a speed of 20 m/s. If it applies the brakes and decelerates at a constant rate of 5 m/s^2, how long will it take to stop?

Accepted Answer

4 seconds

Answer

2 seconds

Answer

6 seconds

Answer

8 seconds

Question 31

Which of the following is a factor that affects the kinetic energy of an object?

Accepted Answer

Both mass and velocity

Answer

Mass

Answer

Velocity

Answer

Neither mass nor velocity

Question 32

A block is sliding down a frictionless inclined plane. Which of the following forces is doing work on the block?

Accepted Answer

Gravity

Answer

Normal force

Answer

Friction

Answer

Tension

Question 33

A satellite is orbiting the Earth in a circular path. Which of the following forces provides the centripetal force that keeps the satellite in orbit?

Accepted Answer

Gravity

Answer

Centripetal force

Answer

Centrifugal force

Answer

Friction

Question 34

Which of the following is a vector quantity?

Accepted Answer

Displacement

Answer

Speed

Answer

Time

Answer

Temperature

Question 35

Which of the following graphs represents a uniformly decelerated motion?

Accepted Answer

A straight line with a negative slope

Answer

A parabola

Answer

A circle

Answer

An ellipse

Question 36

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

Accepted Answer

The speed of an object is always constant.

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 unbalanced force.

Answer

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

Answer

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

Question 37

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

Accepted Answer

Temperature of the object

Answer

Mass of the object

Answer

Force acting on the object

Answer

Direction of the force

Question 38

Which of the following is a vector quantity?

Accepted Answer

Acceleration

Answer

Speed

Answer

Mass

Answer

Volume

Question 39

A car brakes to a stop from a speed of 25 m/s in a distance of 60 m. What is the acceleration of the car?

Accepted Answer

-6.25 m/s²

Answer

-5 m/s²

Answer

-3.75 m/s²

Answer

-2.5 m/s²

Question 40

The unit of force in the SI system is:

Accepted Answer

N (Newton)

Answer

kg (kilogram)

Answer

m (meter)

Answer

s (second)

Question 41

Which of the following is NOT a fundamental concept in the study of motion?

Accepted Answer

Energy conservation

Answer

Newton's laws of motion

Answer

Kinematics

Answer

Dynamics

Question 42

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

Accepted Answer

It remains at rest unless acted upon by an unbalanced force.

Answer

It moves with a constant velocity.

Question 43

The acceleration of an object is directly proportional to:

Accepted Answer

Force applied

Answer

Mass

Answer

Weight

Answer

Velocity

Question 44

Kinematic equations are used to describe the motion of objects:

Accepted Answer

With constant acceleration

Answer

With varying acceleration

Answer

In a circular path

Answer

Under the influence of gravity

Question 45

At the highest point of its trajectory, a projectile's:

Accepted Answer

Velocity is zero and acceleration is maximum

Answer

Velocity is maximum and acceleration is zero

Answer

Velocity and acceleration are both zero

Answer

Velocity is maximum and acceleration is maximum

Question 46

An object is at rest on a frictionless surface. Which of the following statements is true?

Accepted Answer

It will remain at rest unless acted upon by an unbalanced force.

Answer

It will accelerate until it reaches a constant velocity.

Answer

It will start moving with a constant velocity.

Answer

It will move in a circular path.

Question 47

Which of the following affects an object's acceleration?

Accepted Answer

Net force acting on the object

Answer

Object's color

Answer

Object's age

Answer

Object's shape

Question 48

An object is moving with a constant velocity. What can be concluded about the net force acting on the object?

Accepted Answer

It is zero.

Answer

It is non-zero and constant.

Answer

It is impossible to determine from the given information.

Answer

It is non-zero and changing.

Question 49

The SI unit of force is:

Accepted Answer

Newton (N)

Answer

Joule (J)

Answer

Meter per second (m/s)

Answer

Kilogram (kg)

Question 50

Which of the following graphs represents an object moving with uniform acceleration?

Accepted Answer

A straight line with a positive slope

Answer

A circle

Answer

A parabola

Answer

A straight line with a negative slope

Question 51

Which of the following is NOT an example of projectile motion?

Accepted Answer

A car driving on a straight road

Answer

A satellite orbiting the Earth

Answer

A ball thrown by a player

Answer

A rocket launched into space

Question 52

The time of flight of a projectile is:

Accepted Answer

The time taken by the projectile to reach its maximum height and then return to the ground

Answer

The time taken by the projectile to reach its maximum height

Answer

The time taken by the projectile to travel horizontally

Question 53

Which of the following is a scalar quantity?

Accepted Answer

Distance

Answer

Velocity

Answer

Force

Answer

Acceleration