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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 666 · 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: hitting a cricket ball is a push. (a) True (b) False
  2. 2.Which of these is caused by gravity? (a) a thrown ball comes down (b) a compass needle turns (c) rubbing hands warms them (d) brakes stop a bicycle
  3. 3.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  4. 4.💪 Which force is at work: an apple falls down? (a) magnetic force (b) friction (c) muscular force (d) gravity
  5. 5.💪 In a tug of war, one team pulls left with 70 N and the other pulls right with 60 N. What is the size of the net force, in newtons?
  6. 6.💪 In a tug of war, one team pulls right with 60 N and the other pulls left with 30 N. What is the size of the net force, in newtons?
  7. 7.💪 Two children push a box to the right, one with 30 N and the other with 60 N. What is the net (total) force on the box, in newtons?
  8. 8.True or false: a tug of war is a pull. (a) True (b) False
  9. 9.💪 Which force is at work: rain falls to the ground? (a) magnetic force (b) gravity (c) muscular force (d) friction
  10. 10.💪 Two children push a box to the right, one with 70 N and the other with 10 N. What is the net (total) force on the box, in newtons?
  11. 11.💪 In a tug of war, one team pulls left with 90 N and the other pulls right with 40 N. What is the size of the net force, in newtons?
  12. 12.💪 Two children push a box to the right, one with 90 N and the other with 35 N. What is the net (total) force on the box, in newtons?
  13. 13.💪 Which force is at work: lifting a school bag? (a) muscular force (b) gravity (c) magnetic force (d) friction
  14. 14.💪 In a tug of war, one team pulls right with 40 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  15. 15.💪 Which force is at work: shoes grip the floor? (a) friction (b) muscular force (c) gravity (d) magnetic force
  16. 16.Which of these is caused by magnetic force? (a) pedalling a cycle (b) an apple falls down (c) a magnet picks up pins (d) rubbing hands warms them
  17. 17.💪 Which force pulls everything towards the Earth? (a) friction (b) wind (c) magnetism (d) gravity
  18. 18.Which of these is caused by gravity? (a) a magnet picks up pins (b) a compass needle turns (c) a rolling ball slows (d) a river flows downhill
  19. 19.True or false: pressing a doorbell is a push. (a) True (b) False
  20. 20.💪 A box weighs 150 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  21. 21.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
  22. 22.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
  23. 23.Which of these is caused by muscular force? (a) an apple falls down (b) shoes grip the floor (c) a fridge magnet sticks (d) pedalling a cycle
  24. 24.True or false: drawing up a well bucket is a push. (a) True (b) False
  25. 25.💪 Two children push a box to the right, one with 20 N and the other with 85 N. What is the net (total) force on the box, in newtons?
  26. 26.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  27. 27.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) muscular force (c) gravity (d) friction
  28. 28.True or false: drawing up a well bucket is a pull. (a) False (b) True
  29. 29.True or false: closing a drawer is a push. (a) True (b) False
  30. 30.💪 A force is a … (a) type of sound (b) push or a pull (c) kind of colour (d) unit of time
  31. 31.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  32. 32.💪 In a tug of war, one team pulls right with 40 N and the other pulls left with 35 N. What is the size of the net force, in newtons?
  33. 33.💪 Which force is at work: a rolling ball slows? (a) magnetic force (b) gravity (c) muscular force (d) friction
  34. 34.💪 In a tug of war, one team pulls left with 30 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
  35. 35.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  36. 36.True or false: pulling a cart is a push. (a) True (b) False
  37. 37.💪 In a tug of war, one team pulls right with 95 N and the other pulls left with 40 N. What is the size of the net force, in newtons?
  38. 38.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  39. 39.💪 Which force is at work: a compass needle turns? (a) gravity (b) friction (c) magnetic force (d) muscular force
  40. 40.💪 Which force is at work: a magnet picks up pins? (a) gravity (b) muscular force (c) friction (d) magnetic force

Answer key

  1. True
  2. a thrown ball comes down
  3. a push
  4. gravity
  5. 10
  6. 30
  7. 90
  8. True
  9. gravity
  10. 80
  11. 50
  12. 125
  13. muscular force
  14. 35
  15. friction
  16. a magnet picks up pins
  17. gravity
  18. a river flows downhill
  19. True
  20. 15
  21. a push
  22. a pull
  23. pedalling a cycle
  24. False
  25. 105
  26. a pull
  27. friction
  28. True
  29. True
  30. push or a pull
  31. a pull
  32. 5
  33. friction
  34. 20
  35. a pull
  36. False
  37. 55
  38. a pull
  39. magnetic force
  40. magnetic force

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