Physics Force and Motion Online Mcqs Test

Malik TahirLast Updated: October 13, 2025

Important Physics Force and Motion Question and Answer

Total Questions:	49
Time Allowed:	25 Minutes
Total Marks:	49
How to Attempt Test:	Please choose the right Option in MCQ-type question.
Test Helpful For:	MDCAT Entry Test Physics Online Test Interview Questions about Physics All Universities Entrance Test Recruitments Tests

Physics Motion and Force Practice Test Online With Explanation

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1. If two balls of different masses are dropped from the same height in vacuum, they will:
Never reach the ground
Reach at different times
Fall at the same speed
Fall at different speeds

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2. At the highest point of projectile motion, the vertical velocity is:
Equal to horizontal velocity
Negative
Zero
Maximum

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3. The acceleration in projectile motion is always directed:
Upward
Vertically downward
Horizontally
Tangentially

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4. If the displacement-time graph is a straight line, what does it indicate?
Object at rest
Uniform velocity
Variable velocity
Uniform acceleration

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5. What is acceleration?
Rate of change of velocity
Rate of change of displacement
Total path covered
Distance covered per unit time

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6. Which law explains why passengers move forward when a car suddenly stops?
Newton’s third law
Law of conservation of energy
Newton’s first law
Newton’s second law

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7. What does the area under a velocity-time graph represent?
Mass
Displacement
Acceleration
Force

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8. The unit of impulse is:
kg·m/s
N·s
m/s
N

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9. Which of the following shows uniform acceleration?
A body in free fall
A ball rolling on a flat surface
A body at rest
A car moving with constant speed

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10. Which law states that "to every action there is an equal and opposite reaction"?
Newton's third law
Law of inertia
Newton's second law
Newton's first law

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11. According to Newton's second law, force is equal to:
Momentum × time
Weight × mass
Mass × acceleration
Mass × velocity

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12. What is displacement?
The total path covered by a body
The product of mass and velocity
The rate of change of speed
The shortest distance between initial and final position

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13. The velocity of a projectile at maximum height is:
Zero
Vertical only
Both zero and vertical
Horizontal only

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14. A body in motion continues in motion unless:
It has mass
It rotates
A force is applied
It becomes weightless

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15. A body is said to be in uniform motion if:
It changes direction only
It accelerates constantly
Its mass changes
It covers equal distances in equal intervals of time

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16. The S.I. unit of force is:
Watt
Joule
Pascal
Newton

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17. In a one-dimensional elastic collision between two equal masses, if one is stationary and the other collides head-on, what happens?
Moving mass stops and stationary mass moves
Both reverse
Both move forward
Both stop

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18. What is linear momentum?
Product of mass and velocity
Product of acceleration and displacement
Rate of change of velocity
Product of force and time

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19. What is the product of mass and acceleration?
Pressure
Energy
Momentum
Force

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20. In projectile motion, what is the horizontal acceleration?
Varying
0 m/s²
9.8 m/s²
–9.8 m/s²

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21. What is a projectile?
An object moving in a straight line
An object thrown into space under the influence of gravity
A stationary object
A rotating object

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22. What is horizontal range?
The horizontal distance covered by a projectile
The angle of projection
Total distance in air
Vertical displacement

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23. If a force of 10 N is applied for 2 seconds, the impulse is:
12 N
20 N·s
5 N·s
20 N

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24. What does the slope of a displacement-time graph represent?
Velocity
Displacement
Acceleration
Speed

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25. What is the acceleration of a projectile in the vertical direction?
0 m/s²
9.8 m/s² upward
Constant
9.8 m/s² downward

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26. Which component of velocity remains unchanged in projectile motion?
Angular
Total
Horizontal
Vertical

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27. A force acts on a 2 kg mass and gives it an acceleration of 3 m/s². The force is:
0.66 N
3 N
6 N
1.5 N

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28. When a body rebounds with the same speed after hitting a wall, the collision is:
Inelastic
Elastic
Stationary
Explosive

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29. What is the maximum height in projectile motion?
The total vertical distance traveled
The highest point the projectile reaches
The point where vertical velocity is maximum
The horizontal distance from launch point

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30. What does the slope of a velocity-time graph represent?
Acceleration
Force
Velocity
Displacement

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31. What is variable acceleration?
Acceleration is zero
Acceleration is constant
Acceleration changes with time
No motion occurs

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32. If a body has zero acceleration, then:
It has uniform velocity
It has uniform acceleration
Its velocity is increasing
It must be at rest

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33. Which of the following is a vector quantity?
Distance
Displacement
Speed
Time

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34. An object is moving in a circle at constant speed. Its motion is:
Accelerated
Non-uniform
Unstable
Uniform

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35. What is an elastic collision?
When kinetic energy is not conserved
When kinetic energy is converted to heat
When both momentum and kinetic energy are conserved
When objects merge after collision

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36. In projectile motion, time of flight depends on:
Horizontal velocity
Vertical component of velocity
Mass of object
Air resistance

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37. A projectile is fired at an angle of 45°. What is its optimal feature?
No motion
Maximum range
Vertical drop
Minimum height

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38. What is the unit of velocity in SI system?
m
km/h
cm/s
m/s

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39. What does the law of conservation of momentum state?
Mass and velocity remain unchanged
Momentum increases with force
Momentum is always zero
Total momentum before and after interaction remains constant

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40. Which of the following quantities is conserved in an elastic collision?
Only momentum
Neither
Only kinetic energy
Both momentum and kinetic energy

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41. The direction of momentum is always:
Same as mass
Opposite to force
Perpendicular to velocity
Same as velocity

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42. Which physical quantity changes during projectile motion?
Horizontal velocity
Vertical velocity
Mass
Time

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43. If initial velocity is zero and acceleration is constant, displacement is:
Inversely proportional to time
Directly proportional to time²
Constant
Directly proportional to time

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44. Which of Newton’s laws explains the concept of inertia?
Law of gravitation
Third law
Second law
First law

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45. What is the unit of momentum?
kg.m/s
m/s
N.s²
kg.m

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46. Which of the following is a characteristic of projectile motion?
Vertical acceleration is zero
Constant vertical velocity
Path is parabolic
Horizontal velocity changes

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47. When a ball hits the ground and bounces back, which quantity is conserved?
Mass only
Momentum (if elastic)
Energy only
Velocity

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48. What is the shape of a velocity-time graph for an object under uniform acceleration?
Diagonal straight line
Horizontal line
Irregular shape
Curved line

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49. The momentum of an object is doubled if:
Direction is reversed
Mass is doubled
Velocity is halved
Mass is halved

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Malik TahirLast Updated: October 13, 2025

12 Comments

Shumailla says:

October 18, 2022 at 4:05 pm

I wanna solve mcqs

abbas says:

July 22, 2022 at 12:04 pm

20/20

Nimra sajid says:

July 3, 2022 at 2:46 am

No

Tasneem Hussain says:

April 21, 2022 at 4:11 am

I think that this tests are according to old course like as 2017

Tasneem Hussain says:

April 21, 2022 at 4:09 am

The test are so conceptual but problem is that the out of course chapter is also included as 2026 mdcat gives old slybus.. And the biological mcqs has some mistakes as in chapter support and movement there only plant s are considered but this chapter in fsc partt2 only human beings are studied..

Ajmal khan says:

February 4, 2022 at 4:22 pm

very helpful mcqz thank u

piraj says:

January 29, 2022 at 11:19 am

physics

Shoaib says:

September 2, 2021 at 9:53 pm

U r doing such an amazing work keep it up

Asad says:

July 26, 2021 at 4:47 pm

Thnks for the mcqs but of you people upload here some conceptual means 50% conceptual and 50% recall mcq then it will help muvh better ….
Thnks ??

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July 20, 2017 at 9:30 pm

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1. Sajid Ali says:
  
  October 18, 2022 at 10:56 am
  
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alamdar says:

July 2, 2017 at 6:34 am

thanks..so much .the mcat test so conceptual .plz upload more mcqs

Important Physics Force and Motion Question and Answer

Physics Motion and Force Practice Test Online With Explanation

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