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10th grade forces and motion

10th grade (Year 11 in England) · 16 questions · Common Core: NGSS.HS-PS2-2, NGSS.HS-PS2-1, NGSS.SEP 5 · England: GCSE Combined Science: Forces (momentum, Higher), GCSE Combined Science: Forces (Higher: area under velocity–time graph)

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Date

Score/ 16

  1. Question 1

    An object of mass 0.2 kg has a momentum of 1.2 kg m/s. What is its velocity, in m/s?

    Answerm/s

  2. Question 2

    A velocity–time graph rises in a straight line from (0 s, 0 m/s) to (4 s, 8 m/s). How far does the object travel in this time, in m?

    Answerm

  3. Question 3

    A lorry (truck) and a bicycle move at the same velocity. Which has more momentum?

    • A. they are equal
    • B. the bicycle
    • C. neither has momentum
    • D. the lorry (truck), because it has more mass
  4. Question 4

    What is the momentum of a 60 kg object moving at 15 m/s, in kg m/s?

    Answerkgm/s

  5. Question 5

    Velocity–time graph: (0 s, 0 m/s) → (4 s, 8 m/s) → (14 s, 8 m/s) → (18 s, 0 m/s). What is the total distance travelled, in m?

    xy2468101214161820246810120(0, 0)ABC

    Answerm

  6. Question 6

    A train travels at a constant 10 m/s for 20 s. On a velocity–time graph, what is the area under the line, and so the distance travelled, in m?

    Answerm

  7. Question 7

    An object of mass 0.5 kg has a momentum of 4 kg m/s. What is its velocity, in m/s?

    Answerm/s

  8. Question 8

    A velocity–time graph rises in a straight line from (0 s, 0 m/s) to (4 s, 4 m/s). How far does the object travel in this time, in m?

    Answerm

  9. Question 9

    A 0.15 kg ball moving at 20 m/s and a 60 kg runner moving at 0.05 m/s — which has more momentum?

    • A. the ball
    • B. the runner
    • C. they have the same momentum
    • D. neither has any
  10. Question 10

    What is the momentum of a 70 kg object moving at 3 m/s, in kg m/s?

    Answerkgm/s

  11. Question 11

    Velocity–time graph: (0 s, 0 m/s) → (4 s, 12 m/s) → (14 s, 12 m/s) → (24 s, 0 m/s). What is the total distance travelled, in m?

    xy61218246120(0, 0)ABC

    Answerm

  12. Question 12

    A train travels at a constant 10 m/s for 30 s. On a velocity–time graph, what is the area under the line, and so the distance travelled, in m?

    Answerm

  13. Question 13

    An object moving at 3 m/s has a momentum of 0.6 kg m/s. What is its mass, in kg?

    Answerkg

  14. Question 14

    A velocity–time graph rises in a straight line from (0 s, 0 m/s) to (10 s, 30 m/s). How far does the object travel in this time, in m?

    Answerm

  15. Question 15

    Two identical trolleys move towards each other at the same speed. What is their total momentum?

    • A. double one trolley's momentum
    • B. it cannot be worked out
    • C. half one trolley's momentum
    • D. zero
  16. Question 16

    What is the momentum of a 0.5 kg object moving at 20 m/s, in kg m/s?

    Answerkgm/s

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Answer key: 10th grade forces and motion

  1. 1. 6 m/s

  2. 2. 16 m

  3. 3. D. the lorry (truck), because it has more mass

  4. 4. 900 kgm/s

  5. 5. 112 m

  6. 6. 200 m

  7. 7. 8 m/s

  8. 8. 8 m

  9. 9. C. they have the same momentum

  10. 10. 210 kgm/s

  11. 11. 204 m

  12. 12. 300 m

  13. 13. 0.2 kg

  14. 14. 150 m

  15. 15. D. zero

  16. 16. 10 kgm/s