MDCAT XI Physics Kinematics and Dynamics Online Test-2

400

Created on June 11, 2025 By

📚 Test Details

Subject: Physics
Class: 1st year / XI
Chapter Name: Kinematics and Dynamics (Except Friction Portion)
Test: 2
Book: Sindh Textbook
Total No. Of MCQs: 50 MCQs
Time Allowed: 50 Minutes

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1 / 50

1. If instantaneous---------of a body is equal average ------------then body is said to be in that uniform velocity

a) Speed

b) Velocity

c) Both Speed and velocity

d) None of these

2 / 50

2. At what angle Maximum range covered by the body is a four-times its height ?

a) 30 degree

b) 76 degree

c) 60 degree

d) 45 degree

3 / 50

3. Choose the correct regarding following diagram:

[Click Here to See diagram]

a) Velocity is increasing from A to B

b) Velocity is constant from C to D

c) Velocity is uniform from B to C

d) All of these

4 / 50

4. Choose the correct regarding projectile motion:

a) Velocity along vertical component remain constant throughout the motion

b) Acceleration along horizontal component remain constant throughout the motion

c) Acceleration overall remain constant throughout the motioin

d) None of these

5 / 50

5. Which of Newton's laws is also called the law of momentum?

a) 1st law

b) 2nd law

c) 3rd law

d) None of these

6 / 50

6. Choose the correct statement:

a) Inertia is Related with with mass and velocity and it is Direct measurment of mass and velocity

b) Inertia is Related with with mass and velocity and it is Direct measurent of only mass

c) Inertia is Related with with mass and it is Direct measurent of mass

d) Inertia cant be determined by just mass and velocity

7 / 50

7. A object thrown upward with 10m/s ,maximum distance it can covers during upward path is

a) 2m

b) 5m

c) 10m

d) 20m

8 / 50

8. Aeroplane’s motion is an example of:

a) Projectile motion

b) 2D motion

c) 3d motion

d) Both a and b

9 / 50

9. At what angle, the horizontal distance covered by the projectile is maximum?

a) 0 degree

b) 30 degree

c) 45 degree

d) 180 degree

10 / 50

10. When a body moves in a circle of radius R, after one complete roration displacement and distance covered by body are_____ :

a) 2R And 2πR

b) 2πR and 2R

c) 0 and 2πR

d) 2πR and 0

11 / 50

11. A Car covers 40m in 10 seconds. How much distance does it cover in 20 seconds if moving at twice the previous speed ?

a) 40m

b) 80m

c) 120m

d) 160m

12 / 50

12. A projectile is projected upward acceleration during upward movement is directed_____

a) Upwards

b) Downwards

c) Depends on position of body

d) Can’t be determined

13 / 50

13. A body of mass m moving with an impulse means it does not have____

a) Constant velocity

b) Acceleration

c) force

d) All of these

14 / 50

14. Why is there no horizontal component of acceleration in projectile motion?

a) Because net force acting in horizontal direction is zero

b) Because no horizontal forces acts on body

c) Either a or b

d) Cant be determined

15 / 50

15. Negative acceleration is the same as___

a) retardation

b) decreasing acceleration

c) both a and b

d) decreasing change in velocity

16 / 50

16. Action and reaction forces act_____.

a) on same body

b) in opposite direction

c) both a and b

d) none of these

17 / 50

17. A boy projects a body at 15 degrees, the body covers maximum range R. If the boy wants to double the range of the body, he must project the body at_____.

a) 30 degree

b) 45 degree

c) 60 degree

d) 90 degree

18 / 50

18. In an accelerating body, which quantity can be constant

a) velocity

b) momentum

c) speed

d) all of these

19 / 50

19. A 2kg ball is thrown in the downward direction and reaches to ground after 2 seconds. What is the momentum of the body at the lowest point?

a) 10 N.S

b) 20 N.S

c) 30 N.S

d) 40 N.S

20 / 50

20. The law of inertia is applied when a body is_____.

a) Only at rest

b) Only moving

c) In all conditions whether body is at rest or moving

d) Cant be determined by state of body

21 / 50

21. A body covers 10m in 5 sec and then 20m in 15 sec, what is the average speed of that body is____.

a) 1m/s

b) 1.5m/s

c) 2m/s

d) 2.5m/s

22 / 50

22. If the initial velocity of the body is zero, and it is accelerating, then the distance it covers

a) directly proportional to time

b) inversely proportional to time

c) directly proportional to square of time

d) inversely proportional to square of time

23 / 50

23. What is the momentum of a body of 20 kg mass acted by 400 N force for 0.1 seconds?

a) 20

b) 30

c) 40

d) 50

24 / 50

24. In the following diagram, which one graph shows more impulse

[Click Here to See Diagram]

a) Graph A

b) Graph B

c) Both shows equal impulse

d) Cant be determined

25 / 50

25. If initial velocity of a body thrown upward is 100m/s,what is its acceleration at its highest point after seconds

a) 5 m/s²

b) 10 m/s²

c) 50 m/s²

d) 100 m/s²

26 / 50

26. If the slope of the velocity-time graph is negative, then the acceleration is

a) negative acceleration

b) decreasing acceleration

c) both a and b

d) cant be determined

27 / 50

27. a body is projected at 30 degree with horizontal with velocity of 100m/s,after how many secons it will reach to ground

a) 5 sec

b) 10 sec

c) 20 sec

d) 25 sec

28 / 50

28. What will be the maximum height attained by a projectile if the time of flight is 10 seconds and the range is 500 m?

a) 50 m

b) 125 m

c) 100 m

d) 150 m

29 / 50

29. Which of the following remain the same throughout the motion of an object projected upward and strikes back to the ground?

a) speed

b) direction of acceleration

c) direction of velocity

d) both a and b

e) all of these

30 / 50

30. at highest point of projectile, velocity and acceleration are

a) parallel to each other

b) perpendicular to eachother

c) at 45 degree to each other

d) cant be determined

31 / 50

31. A ball is projected at various angles. Which of the following angles gives the maximum range compared to the others?

a) 30°

b) 40°

c) 43°

d) 50°

32 / 50

32. An object is projected at an angle of 45° and reaches a maximum vertical height of 20 meters. With what velocity was it thrown?

a) 5 m/s

b) 20 m/s

c) 25 m/s

d) 10 m/s

33 / 50

33. The ratio of average speed to average velocity is:

a) Always greater than 1

b) Always less than 1

c) Can be greater than or equal to 1

d) Can be less than or equal to 1

34 / 50

34. The ranges are equal at:

a) 30° and 60°

b) 70° and 20°

c) 55° and 35°

d) All of these

35 / 50

35. With what velocity does a body move if its mass is 25 kg and its momentum is 250 kg·m/s?

a) 5 m/s

b) 10 m/s

c) 25 m/s

d) None of these

36 / 50

36. When the change in velocity is decreasing but the velocity is increasing, the acceleration is said to be:

a) Retardation

b) Negative acceleration

c) Decreasing acceleration

d) All of these

37 / 50

37. Choose the correct statement:

a) In decreasing acceleration, velocity decreases, and in retardation, the change in velocity decreases.

b) In decreasing acceleration, velocity decreases, and in negative acceleration, the change in velocity decreases.

c) In retardation, velocity decreases, and in decreasing acceleration, the change in velocity decreases.

d) Both (a) and (b)

38 / 50

38. Two forces, 9 N and 16 N, are acting on a body moving with a velocity of 2 m/s and 12kg.m/s momentum. What is the mass of the body?

a) 4.5 kg

b) 4 kg

c) 6 kg

d) 8 kg

39 / 50

39. Which of the following does not change with a change in direction?

a) Displacement

b) Velocity

c) Acceleration

d) Momentum

e) None of these

40 / 50

40. A boy projects a ball upwards with a velocity of 20 m/s. After how many seconds will it strike the ground?

a) 1 sec

b) 2 sec

c) 3 sec

d) 4 sec

41 / 50

41. Which of the following is correct?

a) Displacement depends on the path followed between two points.

b) Velocity depends on the path followed between two points.

c) Speed depends on the path followed between two points.

d) All are correct

42 / 50

42. If the maximum height covered by a body thrown upward is 5 meters, what is its velocity at the highest point?

a) 25 m/s

b) 10 m/s

c) 20 m/s

d) 0 m/s

43 / 50

43. A student went to school using one path and returned home using another. Which factor always remains the same in both paths?

a) Velocity

b) Speed

c) Distance and displacement

d) (a) and (b)

e) All of these

44 / 50

44. A jet engine works on the principle of:

a) Law of conservation of linear momentum

b) Law of conservation of angular momentum

c) Newton's third law of motion

d) Both (a) and (c)

e) Both (b) and (c)

45 / 50

45. The area under an acceleration-time graph represents:

a) Change in distance

b) Change in displacement

c) Change in velocity

d) Change in speed

46 / 50

46. An object is thrown upward. What is correct about the object when it reaches its highest point?

a) Velocity is downward, acceleration is upward.

b) Velocity is upward, acceleration is downward.

c) Velocity is upward, acceleration is zero.

d) Velocity is zero, acceleration is downward.

47 / 50

47. If the change in velocity of a body during the first 2 seconds is 20 m/s, and during the next 2 seconds is 10 m/s, then the body is definitely undergoing:

a) Retardation

b) Decreasing acceleration

c) Both (a) and (b)

d) Cannot be determined

48 / 50

48. If several forces are acting on a body but its acceleration is zero, it means:

a) The body is at rest

b) The body is moving with uniform velocity

c) The net force acting on the body is zero

d) Cannot be determined

49 / 50

49. The path followed by a projectile is:

a) Parabolic

b) Hyperbolic

c) Either parabolic or hyperbolic, depending on the type of projectile

d) Cannot be determined

50 / 50

50. Which of the following pairs always have the same direction?

a) Force and acceleration

b) Acceleration and velocity

c) Impulse and velocity

d) Both (a) and (b)

e) All of these

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MDCAT XI Physics Kinematics and Dynamics Online Test-2

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