Motion: Master the Fundamentals of Object Movement

Question 1

Which of the following factors does NOT affect an object's motion?

Accepted Answer

temperature

Answer

mass

Answer

friction

Answer

acceleration

Question 2

According to Newton's third law of motion, for every action:

Accepted Answer

there is an equal and opposite reaction

Answer

there is a greater and opposite reaction

Answer

there is a smaller and opposite reaction

Answer

there is no reaction

Question 3

Which of the following equations correctly represents momentum?

Accepted Answer

p = mv

Answer

p = 1/2mv²

Answer

p = mv³

Answer

p = m/v

Question 4

In a collision, the total momentum of the system:

Accepted Answer

is conserved

Answer

is increased

Answer

is decreased

Answer

is zero

Question 5

A car is traveling at a constant velocity of 60 mph in a straight line. What can be said about its acceleration?

Accepted Answer

It is zero

Answer

It is positive

Answer

It is negative

Answer

It is changing

Question 6

Which of the following is NOT a vector quantity?

Accepted Answer

Mass

Answer

Displacement

Answer

Velocity

Answer

Speed

Question 7

Which of the following is a practical application of Newton's third law of motion?

Accepted Answer

Rocket propulsion

Answer

Walking

Answer

Swimming

Answer

Friction

Question 8

In a satellite's circular orbit around Earth, how do its velocity and acceleration relate?

Accepted Answer

Velocity is always perpendicular to acceleration.

Answer

Velocity and acceleration are always equal in magnitude.

Answer

Velocity and acceleration are always in the same direction.

Question 9

An object moving with constant velocity has:

Accepted Answer

Constant speed and constant direction

Answer

Constant speed but changing direction

Answer

Changing speed and constant direction

Answer

Changing speed and changing direction

Question 10

According to Newton's second law, force is directly proportional to:

Accepted Answer

Mass and acceleration

Answer

Mass alone

Answer

Acceleration alone

Answer

Weight

Question 11

Which of the following is a scalar quantity?

Accepted Answer

Speed

Answer

Displacement

Answer

Velocity

Answer

Acceleration

Question 12

A car travels 100 kilometers in 2 hours. What is its average speed?

Accepted Answer

50 km/h

Answer

25 km/h

Answer

75 km/h

Answer

100 km/h

Question 13

The coefficient of friction between two surfaces is a dimensionless quantity that represents:

Accepted Answer

The ratio of the force of friction to the normal force

Answer

The force required to move an object across the surfaces

Answer

The maximum force that can be applied before slipping occurs

Answer

The angle at which an object will slide down an inclined plane

Question 14

Precisely state Newton's first law of motion.

Accepted Answer

Objects at rest persist in a state of rest, while objects in motion maintain that motion at an unchanging velocity, unless acted upon by an external force.

Answer

The acceleration of an object is proportionate to the applied force.

Answer

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

Answer

Within an isolated system, momentum remains constant.

Question 15

Calculate the average speed of a vehicle that travels 100 kilometers in 2 hours.

Accepted Answer

50 km/hr

Answer

20 km/hr

Answer

100 km/hr

Answer

200 km/hr

Question 16

Identify the force that does not require physical contact between objects.

Accepted Answer

Gravity

Answer

Friction

Answer

Tension

Answer

Normal force

Question 17

Given a 10-kilogram object acted upon by a 50-Newton force, calculate its acceleration.

Accepted Answer

5 m/s²

Answer

0.5 m/s²

Answer

50 m/s²

Answer

500 m/s²

Question 18

Describe the relationship between acceleration and velocity.

Accepted Answer

Acceleration is the rate of change in velocity.

Answer

Velocity is the rate of change in acceleration.

Answer

Acceleration is perpendicular to velocity.

Answer

Velocity is perpendicular to acceleration.

Question 19

Which scenario best exemplifies projectile motion?

Accepted Answer

Throwing a ball into the air

Answer

Driving a car down a road

Answer

Placing a book on a table

Answer

Navigating a boat through water

Question 20

Define work done by a force.

Accepted Answer

The product of force and the object's displacement.

Answer

The product of force and the object's velocity.

Answer

The product of force and the time force is applied.

Answer

The product of the object's mass and acceleration.

Question 21

Which factors influence an object's momentum?

Accepted Answer

Mass and velocity

Answer

Force and time

Answer

Acceleration and displacement

Answer

Work and energy

Question 22

Identify the unit of power.

Accepted Answer

Watt

Answer

Newton

Answer

Joule

Answer

Kilogram

Question 23

Which physical quantity is a vector?

Accepted Answer

Velocity

Answer

Temperature

Answer

Mass

Answer

Volume

Question 24

Which statement accurately describes a component of Newton's first law of motion?

Accepted Answer

An object at rest will remain stationary until affected by an external force.

Answer

An object in motion will continue moving with constant velocity without any external force acting upon it.

Answer

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

Answer

The property of matter that resists changes in motion is known as momentum.

Question 25

At the peak of its trajectory, a ball thrown vertically upward experiences which force?

Accepted Answer

Only gravity

Answer

Only thrust

Answer

Both gravity and air resistance

Answer

Neither gravity nor air resistance

Question 26

Which quantity below is considered a scalar quantity?

Accepted Answer

Displacement

Answer

Velocity

Answer

Acceleration

Answer

Force

Question 27

Which characteristic accurately describes centripetal force?

Accepted Answer

It always acts towards the center of a circular path.

Answer

It performs no work on an object moving in a circle.

Answer

It is always perpendicular to the object's velocity.

Answer

It exists only when the object is accelerating.

Question 28

Which force is primarily responsible for keeping a satellite in orbit around Earth?

Accepted Answer

Gravity

Answer

Friction

Answer

Thrust

Answer

Air resistance

Question 29

Which term describes an object's resistance to changes in its motion?

Accepted Answer

Inertia

Answer

Mass

Answer

Speed

Answer

Velocity

Question 30

A car travels 100 miles over a period of 2 hours. Calculate the average speed of the car.

Accepted Answer

50 mph

Answer

25 mph

Answer

75 mph

Answer

100 mph

Question 31

Which of the following is a vector quantity?

Accepted Answer

Acceleration

Answer

Distance

Answer

Speed

Answer

Mass

Question 32

Which of the following is NOT a type of friction?

Accepted Answer

Air resistance

Answer

Sliding friction

Answer

Static friction

Answer

Rolling friction

Question 33

Which of Newton's laws of motion states that an object at rest will remain at rest unless acted upon by an unbalanced force?

Accepted Answer

First law

Answer

Second law

Answer

Third law

Answer

Fourth law

Question 34

Which of the following factors does NOT affect the force of gravity between two objects?

Accepted Answer

Volume of the objects

Answer

Mass of the objects

Answer

Distance between the objects

Answer

Composition of the objects

Question 35

A projectile is fired at an angle of 45 degrees to the horizontal. Which of the following statements is true?

Accepted Answer

It will reach its maximum height

Answer

It will travel the farthest horizontal distance

Answer

It will experience zero acceleration

Answer

It will have the greatest speed

Question 36

Which of the following units is used to measure power?

Accepted Answer

Watt

Answer

Newton

Answer

Joule

Answer

Kilogram

Question 37

A ball is dropped from a specific height. Neglecting air resistance, which of the following remains constant throughout its fall?

Accepted Answer

Acceleration

Answer

Speed

Answer

Velocity

Answer

Momentum

Question 38

Which of the following instruments is used to measure the amount of force applied to an object?

Accepted Answer

Dynamometer

Answer

Calipers

Answer

Chronometer

Answer

Thermometer

Question 39

A car collides with a stationary object. What happens to the car's kinetic energy and momentum?

Accepted Answer

Both kinetic energy and momentum are transferred to the stationary object.

Answer

Kinetic energy is transferred to the stationary object, but momentum is not.

Answer

Momentum is transferred to the stationary object, but kinetic energy is not.

Answer

Neither kinetic energy nor momentum is transferred to the stationary object.

Question 40

When a quarterback throws a football, which of Newton's laws of motion explains how the ball travels through the air?

Accepted Answer

Second law (F=ma)

Answer

First law (Law of Inertia)

Answer

Third law (Action-Reaction)

Question 41

Which everyday activity involves friction converting mechanical energy into thermal energy?

Accepted Answer

Braking a car

Answer

Walking

Answer

Rolling a ball on a smooth surface

Answer

Floating in water

Question 42

A ball is thrown vertically upward with an initial velocity of 10 m/s. What is its velocity at the peak of its trajectory?

Accepted Answer

0 m/s

Answer

5 m/s

Answer

10 m/s

Answer

15 m/s

Question 43

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

Accepted Answer

Net force acting on the object

Answer

Velocity of the object

Answer

Mass of the object

Answer

Momentum of the object

Question 44

A car travels 100 km in 2 hours. Calculate the car's average speed.

Accepted Answer

50 km/h

Answer

25 km/h

Answer

75 km/h

Answer

100 km/h

Question 45

The acceleration due to gravity on Earth is approximately:

Accepted Answer

9.8 m/s²

Answer

4.9 m/s²

Answer

19.6 m/s²

Question 46

Which of the following is NOT a type of force?

Accepted Answer

Momentum

Answer

Friction

Answer

Tension

Answer

Gravity

Question 47

Which of the following is a vector quantity?

Accepted Answer

Velocity

Answer

Mass

Answer

Temperature

Answer

Density

Question 48

A ball is dropped from a height of 100 m. What is its velocity when it strikes the ground?

Accepted Answer

Approximately 44.3 m/s

Answer

22.1 m/s

Answer

66.4 m/s

Answer

88.6 m/s

Question 49

Which of the following is a type of motion where an object moves in a circular path?

Accepted Answer

Circular motion

Answer

Linear motion

Answer

Harmonic motion

Answer

Periodic motion

Question 50

The SI unit of acceleration is:

Accepted Answer

m/s²

Answer

km/h

Answer

m/s