Projectile MCQs|| Kinematics|| Physics|| IOE || CEE

Objective Question From Projectile || IOE || CEE- Balsundar Saugat Sapkota

1. In projectile motion, the horizontal acceleration is: a) Zero
   b) 9.8 m/s²
   c) Depends on the angle
   d) Constant

2. The time of flight of a projectile depends on: a) Initial velocity
   b) Horizontal displacement
   c) Only the vertical component of velocity
   d) Gravitational acceleration

3. At the highest point of a projectile's trajectory, the vertical velocity is: a) Maximum
   b) Minimum
   c) Zero
   d) Equal to horizontal velocity

4. In a projectile motion, which of the following remains constant? a) Horizontal velocity
   b) Vertical velocity
   c) Vertical acceleration
   d) Both a and c

5. The trajectory of a projectile is: a) Straight line
   b) Parabolic
   c) Circular
   d) Hyperbolic

6. A projectile is fired with an initial velocity of 20 m/s at an angle of 30° with the horizontal. What is the horizontal component of velocity? a) 10 m/s
   b) 20 m/s
   c) 17.3 m/s
   d) 12 m/s

7. If air resistance is neglected, the range of a projectile is maximum for an angle of: a) 30°
   b) 45°
   c) 60°
   d) 90°

8. In projectile motion, the vertical acceleration is: a) Zero
   b) Constant
   c) Variable
   d) Always increasing

9. The range of a projectile depends on: a) Initial velocity only
   b) Angle of projection only
   c) Both initial velocity and angle of projection
   d) None of the above

10. At the highest point of a projectile's motion, its acceleration is: a) Zero
    b) g
    c) -g
    d) g/2

11. In the absence of air resistance, the horizontal range of a projectile is directly proportional to: a) The square of the initial velocity
    b) The initial velocity
    c) The time of flight
    d) None of the above

12. A projectile is fired with an initial velocity of 50 m/s at an angle of 45°. What is the time of flight? (g = 9.8 m/s²) a) 5.1 s
    b) 7.2 s
    c) 10.2 s
    d) 12.8 s

13. The maximum height of a projectile occurs when its vertical velocity is: a) Equal to horizontal velocity
    b) Zero
    c) Maximum
    d) Equal to initial velocity

14. In projectile motion, the horizontal distance covered is called: a) Height
    b) Range
    c) Trajectory
    d) Displacement

15. The time to reach the maximum height for a projectile is: a) Equal to total time of flight
    b) Half of the total time of flight
    c) Twice the total time of flight
    d) Independent of time of flight

16. Which one of the following is true for a projectile? a) Vertical velocity is constant
    b) Horizontal velocity changes with time
    c) Acceleration acts only in the vertical direction
    d) Both a and c

17. If the angle of projection is increased, the range: a) Increases
    b) Decreases
    c) Remains constant
    d) First increases, then decreases

18. The velocity at the highest point of a projectile is: a) Horizontal only
    b) Vertical only
    c) Both vertical and horizontal
    d) Zero

19. Which of the following quantities is zero throughout the motion of a projectile? a) Horizontal velocity
    b) Vertical velocity
    c) Horizontal acceleration
    d) Vertical acceleration

20. The range of a projectile is maximum when the angle of projection is: a) 60°
    b) 45°
    c) 30°
    d) 90°

21. The maximum height attained by a projectile is directly proportional to: a) The horizontal velocity
    b) The square of the initial vertical velocity
    c) The range
    d) Time of flight

22. The speed of the projectile at its highest point is equal to: a) Initial speed
    b) Horizontal component of velocity
    c) Zero
    d) Vertical component of velocity

23. A projectile is launched with a speed of 20 m/s at 60°. What is its range? (g = 9.8 m/s²) a) 23.6 m
    b) 34.7 m
    c) 40.8 m
    d) 50.1 m

24. The horizontal velocity of a projectile is: a) Constant throughout
    b) Decreasing
    c) Increasing
    d) Depends on the angle of projection

25. If a projectile is launched horizontally, its initial vertical velocity is: a) Zero
    b) Maximum
    c) Constant
    d) Equal to horizontal velocity

26. The horizontal displacement of a projectile depends on: a) Time of flight
    b) Vertical velocity
    c) Horizontal acceleration
    d) Initial height

27. If the height from which a projectile is launched increases, the time of flight: a) Increases
    b) Decreases
    c) Remains the same
    d) Depends on angle of projection

28. The acceleration in the horizontal direction of a projectile is: a) Constant
    b) Zero
    c) Equal to vertical acceleration
    d) None of the above

29. For a given initial velocity, the horizontal range of a projectile is maximum when the angle of projection is: a) 45°
    b) 60°
    c) 30°
    d) 90°

30. In projectile motion, the path followed by the projectile is: a) Linear
    b) Circular
    c) Parabolic
    d) Elliptical

31. At the point of maximum height, the projectile's vertical velocity is: a) Maximum
    b) Minimum
    c) Zero
    d) Same as horizontal velocity

32. The formula for the range of a projectile is given by: a) $R = \frac{v_0^2 \sin(2\theta)}{g}$
    b) $R = \frac{v_0^2 \cos(2\theta)}{g}$
    c) $R = v_0^2 \sin(\theta)$
    d) $R = v_0^2 \cos(\theta)$

33. At the same initial speed, a projectile will have the same range for angles: a) 0° and 90°
    b) 30° and 60°
    c) 45° and 90°
    d) 15° and 75°

34. The velocity of a projectile when it returns to the ground is: a) Equal to initial velocity
    b) Less than initial velocity
    c) Greater than initial velocity
    d) None of the above

35. A projectile is launched at an angle of 30° with a speed of 10 m/s. Its maximum height is: a) 1.27 m
    b) 2.5 m
    c) 3.1 m
    d) 4.5 m

36. If two projectiles have the same range but different initial velocities, the angle of projection is: a) The same
    b) Different
    c) Can be both same and different
    d) None of the above

37. The horizontal velocity at any point of the projectile motion: a) Is always zero
    b) Is always constant
    c) Changes with time
    d) Increases gradually

38. In projectile motion, the maximum range can be achieved when: a) The angle is 90°
    b) The angle is 30°
    c) The angle is 45°
    d) The angle is 60°

39. A projectile launched at 45° with a speed of 20 m/s will have a range of approximately: a) 41 m
    b) 55 m
    c) 60 m
    d) 80 m

40. If the angle of projection is doubled, the range of the projectile: a) Increases
    b) Decreases
    c) Remains the same
    d) First increases, then decreases

41. The initial speed of a projectile launched at an angle depends on: a) Horizontal velocity
    b) Vertical velocity
    c) Both horizontal and vertical velocities
    d) None of the above.                                                                                   - Balsundar Saugat Sapkota