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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 500 · 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.💪 A force is a … (a) unit of time (b) type of sound (c) kind of colour (d) push or a pull
  2. 2.💪 Two children push a box to the right, one with 90 N and the other with 15 N. What is the net (total) force on the box, in newtons?
  3. 3.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  4. 4.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) magnetic force (c) gravity (d) friction
  5. 5.💪 A cart is pulled to the right with 65 N and to the left with 75 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  6. 6.True or false: opening a drawer is a pull. (a) True (b) False
  7. 7.💪 Which can a force NOT do? (a) stop it moving (b) change its shape (c) start it moving (d) change its colour
  8. 8.True or false: opening a drawer is a push. (a) True (b) False
  9. 9.💪 Which force is at work: a river flows downhill? (a) muscular force (b) magnetic force (c) gravity (d) friction
  10. 10.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  11. 11.💪 Two children push a box to the right, one with 65 N and the other with 10 N. What is the net (total) force on the box, in newtons?
  12. 12.💪 Two children push a box to the right, one with 30 N and the other with 20 N. What is the net (total) force on the box, in newtons?
  13. 13.True or false: kicking a football is a push. (a) False (b) True
  14. 14.Which of these is caused by muscular force? (a) pedalling a cycle (b) shoes grip the floor (c) rain falls to the ground (d) a rolling ball slows
  15. 15.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  16. 16.💪 In a tug of war, one team pulls right with 100 N and the other pulls left with 35 N. What is the size of the net force, in newtons?
  17. 17.True or false: pulling up your socks is a pull. (a) False (b) True
  18. 18.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  19. 19.💪 A box weighs 310 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  20. 20.💪 A cart is pulled to the right with 85 N and to the left with 75 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  21. 21.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  22. 22.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  23. 23.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) a river flows downhill (c) a magnet picks up pins (d) shoes grip the floor
  24. 24.True or false: drawing up a well bucket is a pull. (a) True (b) False
  25. 25.💪 Two children push a box to the right, one with 30 N and the other with 65 N. What is the net (total) force on the box, in newtons?
  26. 26.True or false: pressing a doorbell is a push. (a) False (b) True
  27. 27.💪 Which force is at work: pedalling a cycle? (a) friction (b) muscular force (c) magnetic force (d) gravity
  28. 28.💪 In a tug of war, one team pulls left with 65 N and the other pulls right with 35 N. What is the size of the net force, in newtons?
  29. 29.💪 A box weighs 140 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  30. 30.True or false: pushing a swing is a push. (a) False (b) True
  31. 31.💪 Which force pulls everything towards the Earth? (a) wind (b) gravity (c) friction (d) magnetism
  32. 32.💪 In a tug of war, one team pulls left with 15 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
  33. 33.💪 A box weighs 230 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  34. 34.💪 In a tug of war, one team pulls left with 95 N and the other pulls right with 70 N. What is the size of the net force, in newtons?
  35. 35.True or false: plucking a mango is a push. (a) False (b) True
  36. 36.💪 A box weighs 500 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  37. 37.💪 In a tug of war, one team pulls right with 75 N and the other pulls left with 25 N. What is the size of the net force, in newtons?
  38. 38.True or false: kicking a football is a pull. (a) False (b) True
  39. 39.💪 A bag has a mass of 53 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  40. 40.💪 In a tug of war, one team pulls right with 70 N and the other pulls left with 55 N. What is the size of the net force, in newtons?

Answer key

  1. push or a pull
  2. 105
  3. a push
  4. magnetic force
  5. to the left
  6. True
  7. change its colour
  8. False
  9. gravity
  10. a pull
  11. 75
  12. 50
  13. True
  14. pedalling a cycle
  15. a pull
  16. 65
  17. True
  18. a push
  19. 31
  20. to the right
  21. a pull
  22. a pull
  23. a magnet picks up pins
  24. True
  25. 95
  26. True
  27. muscular force
  28. 30
  29. 14
  30. True
  31. gravity
  32. 5
  33. 23
  34. 25
  35. False
  36. 50
  37. 50
  38. False
  39. 530
  40. 15

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