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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 678 · 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.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  2. 2.💪 A cart is pulled to the right with 95 N and to the left with 85 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  3. 3.True or false: plucking a mango is a push. (a) False (b) True
  4. 4.💪 Two children push a box to the right, one with 35 N and the other with 95 N. What is the net (total) force on the box, in newtons?
  5. 5.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
  6. 6.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  7. 7.💪 In a tug of war, one team pulls right with 80 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
  8. 8.💪 Which force is at work: a compass needle turns? (a) friction (b) muscular force (c) gravity (d) magnetic force
  9. 9.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) friction (c) gravity (d) muscular force
  10. 10.💪 A cart is pulled to the right with 30 N and to the left with 15 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
  11. 11.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
  12. 12.True or false: closing a drawer is a pull. (a) True (b) False
  13. 13.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  14. 14.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
  15. 15.True or false: pulling a cart is a push. (a) True (b) False
  16. 16.💪 A box weighs 530 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  17. 17.True or false: kicking a football is a push. (a) False (b) True
  18. 18.💪 In a tug of war, one team pulls left with 35 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
  19. 19.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  20. 20.💪 Which force is at work: an apple falls down? (a) friction (b) muscular force (c) gravity (d) magnetic force
  21. 21.True or false: drawing up a well bucket is a push. (a) True (b) False
  22. 22.💪 A bag has a mass of 23 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  23. 23.True or false: hitting a cricket ball is a push. (a) False (b) True
  24. 24.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  25. 25.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  26. 26.Which of these is caused by gravity? (a) squeezing a lemon (b) pedalling a cycle (c) brakes stop a bicycle (d) a thrown ball comes down
  27. 27.💪 A bag has a mass of 35 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  28. 28.💪 A bag has a mass of 15 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  29. 29.💪 A bag has a mass of 1 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  30. 30.True or false: pressing a doorbell is a pull. (a) False (b) True
  31. 31.💪 Two children push a box to the right, one with 20 N and the other with 40 N. What is the net (total) force on the box, in newtons?
  32. 32.Which of these is caused by gravity? (a) a river flows downhill (b) brakes stop a bicycle (c) a rolling ball slows (d) a compass needle turns
  33. 33.💪 Which force is at work: a thrown ball comes down? (a) muscular force (b) friction (c) gravity (d) magnetic force
  34. 34.True or false: drawing up a well bucket is a pull. (a) False (b) True
  35. 35.💪 A force is a … (a) push or a pull (b) unit of time (c) type of sound (d) kind of colour
  36. 36.💪 Two children push a box to the right, one with 30 N and the other with 25 N. What is the net (total) force on the box, in newtons?
  37. 37.💪 Which force is at work: a river flows downhill? (a) friction (b) magnetic force (c) gravity (d) muscular force
  38. 38.💪 A cart is pulled to the right with 50 N and to the left with 45 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  39. 39.💪 A box weighs 410 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  40. 40.Which of these is caused by friction? (a) a compass needle turns (b) an apple falls down (c) a thrown ball comes down (d) a rolling ball slows

Answer key

  1. a pull
  2. to the right
  3. False
  4. 130
  5. a pull
  6. a push
  7. 65
  8. magnetic force
  9. friction
  10. to the right
  11. a pull
  12. False
  13. a pull
  14. a push
  15. False
  16. 53
  17. True
  18. 25
  19. a pull
  20. gravity
  21. False
  22. 230
  23. True
  24. a push
  25. a push
  26. a thrown ball comes down
  27. 350
  28. 150
  29. 10
  30. False
  31. 60
  32. a river flows downhill
  33. gravity
  34. True
  35. push or a pull
  36. 55
  37. gravity
  38. to the right
  39. 41
  40. a rolling ball slows

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