WAEC Physics questions: Motion

22 questions with answers and explanations. Tap an option to check yourself.

1. Question 1· Motion· WAEC

   A bus travels from Benin to Ore, 210 km away, and back again in 6 hours. Find its average speed.

   • A0 km/h
   • B35 km/h
   • C105 km/h
   • D70 km/h

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2. Question 2· Motion· WAEC

   What does the gradient of a velocity-time graph give?

   • Adistance travelled
   • Bacceleration
   • Cdisplacement
   • Dmomentum

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3. Question 3· Motion· WAEC

   A car starts from rest and reaches 24 m/s in 8 s with uniform acceleration. Find the acceleration.

   • A16 m/s²
   • B192 m/s²
   • C0.33 m/s²
   • D3 m/s²

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4. Question 4· Motion· WAEC

   Find the momentum of a 5 kg trolley moving at 4 m/s.

   • A20 kg m/s
   • B40 kg m/s
   • C1.25 kg m/s
   • D9 kg m/s

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5. Question 5· Motion· WAEC

   A stone is dropped from the top of a cliff and hits the ground 3 s later. Find the height of the cliff. (g = 10 m/s²)

   • A45 m
   • B30 m
   • C90 m
   • D15 m

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6. Question 6· Motion· WAEC

   A force of 12 N acts on a 3 kg mass. The acceleration produced is

   • A15 m/s²
   • B36 m/s²
   • C0.25 m/s²
   • D4 m/s²

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7. Question 7· Motion· WAEC

   A body moving with uniform velocity has

   • Aincreasing speed
   • Bzero acceleration
   • Cdecreasing speed
   • Dchanging direction

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8. Question 8· Motion· WAEC

   A car starts from rest and reaches a velocity of 20 m/s in 5 s. Its acceleration is

   • A100 m/s²
   • B0.25 m/s²
   • C4 m/s²
   • D25 m/s²

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9. Question 9· Motion· WAEC

   A body starts from rest and accelerates at 2 m/s² for 6 s. The distance covered is

   • A24 m
   • B12 m
   • C36 m
   • D72 m

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10. Question 10· Motion· WAEC

    A cyclist moving at 12 m/s brakes uniformly and stops in 4 s. How far does she travel while braking?

    • A12 m
    • B48 m
    • C24 m
    • D3 m

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11. Question 11· Motion· WAEC

    A ball is thrown vertically upward at 20 m/s. Taking g = 10 m/s², the maximum height reached is

    • A200 m
    • B40 m
    • C10 m
    • D20 m

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12. Question 12· Motion· WAEC

    The area under a velocity–time graph represents the

    • Aacceleration
    • Bforce
    • Cspeed
    • Ddistance travelled

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13. Question 13· Motion· WAEC

    The slope of a distance-time graph gives the

    • Adistance
    • Bacceleration
    • Cforce
    • Dspeed

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14. Question 14· Motion· WAEC

    A ball is thrown vertically upwards at 30 m/s. How long does it take to reach its highest point? [g = 10 m/s²]

    • A1.5 s
    • B6 s
    • C30 s
    • D3 s

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15. Question 15· Motion· WAEC

    A car accelerates uniformly from 10 m/s to 30 m/s in 5 s. Its acceleration is

    • A6 m/s²
    • B2 m/s²
    • C4 m/s²
    • D8 m/s²

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16. Question 16· Motion· WAEC

    A stone dropped from rest falls for 3 s. Its speed is then (g = 10 m/s²)

    • A30 m/s
    • B15 m/s
    • C45 m/s
    • D90 m/s

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17. Question 17· Motion· WAEC

    A 2 kg body moving at 5 m/s has momentum

    • A2.5 kg m/s
    • B10 kg m/s
    • C25 kg m/s
    • D7 kg m/s

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18. Question 18· Motion· WAEC

    A body starts from rest with a uniform acceleration of 2 m/s². How far does it travel in 5 s?

    • A50 m
    • B10 m
    • C25 m
    • D5 m

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19. Question 19· Motion· WAEC

    Newton's third law explains

    • Afriction
    • Bwhy objects fall
    • Cthe recoil of a gun
    • Dinertia only

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20. Question 20· Motion· WAEC

    A stone dropped from the top of a cliff hits the ground 3 s later. How high is the cliff? [g = 10 m/s²]

    • A15 m
    • B30 m
    • C90 m
    • D45 m

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    Explanation and discussion