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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 551 · 40 questions
TalentJR

Engineer's tip (Add same way, subtract opposite): Push moves away, pull moves towards; force is measured in newtons (N). Same direction: add. Opposite directions: bigger − smaller, towards the bigger. Weight (N) ≈ mass (kg) × 10.

NameDateTime takenScore ___ / 40
  1. 1.True or false: pulling up your socks is a pull. (a) False (b) True
  2. 2.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  3. 3.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  4. 4.True or false: kicking a football is a pull. (a) False (b) True
  5. 5.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  6. 6.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) friction (c) gravity (d) magnetic force
  7. 7.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  8. 8.Which of these is caused by gravity? (a) a rolling ball slows (b) an apple falls down (c) lifting a school bag (d) brakes stop a bicycle
  9. 9.💪 Which can a force NOT do? (a) stop it moving (b) start it moving (c) change its shape (d) change its colour
  10. 10.True or false: pressing a doorbell is a pull. (a) False (b) True
  11. 11.💪 A bag has a mass of 29 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  12. 12.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) doubled (c) gravity (d) unbalanced
  13. 13.💪 In a tug of war, one team pulls left with 40 N and the other pulls right with 25 N. What is the size of the net force, in newtons?
  14. 14.💪 Which force is at work: a river flows downhill? (a) friction (b) muscular force (c) gravity (d) magnetic force
  15. 15.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  16. 16.💪 Which force is at work: an apple falls down? (a) magnetic force (b) friction (c) gravity (d) muscular force
  17. 17.True or false: opening a drawer is a pull. (a) True (b) False
  18. 18.Which of these is caused by muscular force? (a) pedalling a cycle (b) a fridge magnet sticks (c) shoes grip the floor (d) a compass needle turns
  19. 19.💪 Two children push a box to the right, one with 55 N and the other with 30 N. What is the net (total) force on the box, in newtons?
  20. 20.True or false: hitting a cricket ball is a push. (a) False (b) True
  21. 21.💪 Which force is at work: lifting a school bag? (a) magnetic force (b) gravity (c) muscular force (d) friction
  22. 22.True or false: plucking a mango is a pull. (a) False (b) True
  23. 23.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) magnetic force (c) gravity (d) friction
  24. 24.True or false: pulling a cart is a pull. (a) False (b) True
  25. 25.💪 A bag has a mass of 60 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  26. 26.True or false: pulling up your socks is a push. (a) False (b) True
  27. 27.💪 Two children push a box to the right, one with 10 N and the other with 30 N. What is the net (total) force on the box, in newtons?
  28. 28.💪 A force is a … (a) type of sound (b) push or a pull (c) unit of time (d) kind of colour
  29. 29.💪 In which unit do we measure force? (a) metre (m) (b) second (s) (c) litre (L) (d) newton (N)
  30. 30.Which of these is caused by friction? (a) a magnet picks up pins (b) shoes grip the floor (c) rain falls to the ground (d) pedalling a cycle
  31. 31.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  32. 32.💪 In a tug of war, one team pulls right with 95 N and the other pulls left with 75 N. What is the size of the net force, in newtons?
  33. 33.True or false: pulling a cart is a push. (a) False (b) True
  34. 34.💪 In a tug of war, one team pulls right with 40 N and the other pulls left with 30 N. What is the size of the net force, in newtons?
  35. 35.Which of these is caused by friction? (a) a compass needle turns (b) a thrown ball comes down (c) a rolling ball slows (d) an apple falls down
  36. 36.Which of these is caused by magnetic force? (a) brakes stop a bicycle (b) a compass needle turns (c) a thrown ball comes down (d) squeezing a lemon
  37. 37.Which of these is caused by gravity? (a) rain falls to the ground (b) squeezing a lemon (c) rubbing hands warms them (d) pedalling a cycle
  38. 38.True or false: plucking a mango is a push. (a) False (b) True
  39. 39.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
  40. 40.True or false: drawing up a well bucket is a pull. (a) True (b) False

Answer key

  1. True
  2. a push
  3. a pull
  4. False
  5. a push
  6. magnetic force
  7. a push
  8. an apple falls down
  9. change its colour
  10. False
  11. 290
  12. balanced
  13. 15
  14. gravity
  15. a push
  16. gravity
  17. True
  18. pedalling a cycle
  19. 85
  20. True
  21. muscular force
  22. True
  23. friction
  24. True
  25. 600
  26. False
  27. 40
  28. push or a pull
  29. newton (N)
  30. shoes grip the floor
  31. a push
  32. 20
  33. False
  34. 10
  35. a rolling ball slows
  36. a compass needle turns
  37. rain falls to the ground
  38. False
  39. a pull
  40. True

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