Lesson 3.1.3

3.1.3 Projectile motion Quiz: OCR Physics, Unit 2

20 questions

Written by Revision Ninja · Last reviewed 11 October 2026

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Lesson 3.1.3, Projectile motion: 20 multiple choice questions for the OCR Physics (H156), Unit 2: Forces and motion, written with Revision Ninja.

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The 20 questions

  1. What relationship exists between the horizontal and vertical components of projectile motion?

    • Independent
    • Identical
    • Inversely proportional
    • Proportional

  2. What happens to the horizontal velocity of a projectile, ignoring air resistance?

    • Remains constant
    • Decreases uniformly
    • Becomes zero
    • Increases uniformly

  3. What is the horizontal acceleration of a projectile when air resistance is ignored?

    • 9.81 m s⁻²
    • Equal to g
    • Zero
    • Continuously increasing

  4. Ignoring air resistance, the path followed by a projectile is:

    • A hyperbola
    • A straight line
    • A parabola
    • A circle

  5. Ignoring air resistance, which factor does NOT affect the horizontal range of a projectile?

    • Mass
    • Gravitational field strength
    • Launch angle
    • Launch speed

  6. The horizontal component of a velocity μ at angle θ to the horizontal is:

    • μ cos θ
    • μ / cos θ
    • μ tan θ
    • μ sin θ

  7. What is the vertical component of velocity for a projectile at its highest point?

    • Equal to horizontal
    • Increasing
    • Maximum
    • Zero

  8. A ball rolls off a table edge horizontally and falls 20 m. Using g = 9.8 m s^-2, how long does it take to reach the ground?

    • 10 s
    • 4.1 s
    • 1.0 s
    • 2.0 s

  9. A ball is launched horizontally at 12 m s^-1 from a cliff and lands after 3.0 s. What is its horizontal distance from the base of the cliff?

    • 12 m
    • 4 m
    • 108 m
    • 36 m

  10. A projectile is launched at 30 m s^-1 at 30° to the horizontal. What is its initial vertical velocity component?

    • 7.5 m s^-1
    • 15 m s^-1
    • 30 m s^-1
    • 26 m s^-1

  11. A projectile is launched at 20 m s^-1 at 45° on level ground. Ignoring air resistance and using g = 9.8 m s^-2, what is its range?

    • 28 m
    • 20 m
    • 41 m
    • 82 m

  12. A projectile is launched at 20 m s^-1 at 30° on level ground. Using g = 9.8 m s^-2, what is its time of flight?

    • 3.5 s
    • 1.0 s
    • 4.1 s
    • 2.0 s

  13. A projectile is launched at 20 m s^-1 at 30° to the horizontal on level ground. Using g = 9.8 m s^-2, what is its maximum height?

    • 20 m
    • 10 m
    • 5.1 m
    • 2.5 m

  14. A ball is launched horizontally and falls for 1.5 s with g = 9.8 m s^-2. What is its vertical speed at that time?

    • 9.8 m s^-1
    • 1.5 m s^-1
    • 14.7 m s^-1
    • 22 m s^-1

  15. How do the fall times compare for a dropped ball and a horizontally launched ball from equal height?

    • They are equal
    • Depends on mass
    • Launched is faster
    • Dropped is faster

  16. Ignoring air resistance, on level ground which launch angle gives the maximum range for a given launch speed?

    • 30°
    • 45°
    • 90°
    • 60°

  17. A ball is launched horizontally at 10 m s^-1 from a height of 45 m. Ignoring air resistance and using g = 9.8 m s^-2, what is its speed just before it lands?

    • 31.3 m s^-1
    • 29.7 m s^-1
    • 39.7 m s^-1
    • 10 m s^-1

  18. A projectile is launched at 25 m s^-1 at 40° to the horizontal. Using g = 9.8 m s^-2, how long does it take to reach its maximum height?

    • 0.8 s
    • 1.6 s
    • 2.5 s
    • 3.3 s

  19. How do the horizontal ranges compare for two projectiles launched with equal speed at complementary angles?

    • 60° is greater
    • They are equal
    • 30° is greater
    • Cannot be determined

  20. A ball is fired at 50 m s^-1 at 60° to the horizontal on level ground. Using g = 9.8 m s^-2, what is its time of flight?

    • 10.2 s
    • 5.1 s
    • 8.8 s
    • 4.4 s

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