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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 422 · 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 pulling up your socks a push or a pull? (a) a push (b) a pull
  2. 2.Which of these is caused by muscular force? (a) a fridge magnet sticks (b) lifting a school bag (c) a compass needle turns (d) brakes stop a bicycle
  3. 3.💪 Which force is at work: an apple falls down? (a) gravity (b) magnetic force (c) muscular force (d) friction
  4. 4.💪 Two children push a box to the right, one with 10 N and the other with 75 N. What is the net (total) force on the box, in newtons?
  5. 5.True or false: hitting a cricket ball is a pull. (a) True (b) False
  6. 6.True or false: closing a drawer is a pull. (a) True (b) False
  7. 7.Which of these is caused by friction? (a) lifting a school bag (b) a thrown ball comes down (c) shoes grip the floor (d) rain falls to the ground
  8. 8.💪 A cart is pulled to the right with 35 N and to the left with 35 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  9. 9.💪 Which force is at work: pedalling a cycle? (a) gravity (b) muscular force (c) magnetic force (d) friction
  10. 10.💪 A box weighs 500 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  11. 11.True or false: closing a drawer is a push. (a) True (b) False
  12. 12.💪 Two children push a box to the right, one with 70 N and the other with 45 N. What is the net (total) force on the box, in newtons?
  13. 13.💪 In a tug of war, one team pulls left with 30 N and the other pulls right with 25 N. What is the size of the net force, in newtons?
  14. 14.💪 A cart is pulled to the right with 70 N and to the left with 60 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  15. 15.Which of these is caused by friction? (a) an apple falls down (b) rubbing hands warms them (c) pedalling a cycle (d) rain falls to the ground
  16. 16.💪 A force is a … (a) unit of time (b) push or a pull (c) kind of colour (d) type of sound
  17. 17.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  18. 18.💪 A box weighs 470 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  19. 19.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) balanced (c) unbalanced (d) doubled
  20. 20.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  21. 21.💪 A box weighs 40 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  22. 22.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) shoes grip the floor (c) rubbing hands warms them (d) a fridge magnet sticks
  23. 23.True or false: pushing a trolley is a push. (a) False (b) True
  24. 24.Which of these is caused by friction? (a) lifting a school bag (b) an apple falls down (c) brakes stop a bicycle (d) pedalling a cycle
  25. 25.Which of these is caused by gravity? (a) a rolling ball slows (b) rain falls to the ground (c) a compass needle turns (d) brakes stop a bicycle
  26. 26.💪 In a tug of war, one team pulls left with 60 N and the other pulls right with 30 N. What is the size of the net force, in newtons?
  27. 27.True or false: pushing a trolley is a pull. (a) True (b) False
  28. 28.💪 In a tug of war, one team pulls left with 65 N and the other pulls right with 50 N. What is the size of the net force, in newtons?
  29. 29.💪 A cart is pulled to the right with 85 N and to the left with 70 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  30. 30.💪 Which force is at work: lifting a school bag? (a) magnetic force (b) gravity (c) muscular force (d) friction
  31. 31.True or false: pushing a swing is a pull. (a) False (b) True
  32. 32.💪 A bag has a mass of 37 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  33. 33.💪 A bag has a mass of 20 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  34. 34.True or false: plucking a mango is a pull. (a) False (b) True
  35. 35.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  36. 36.True or false: pulling up your socks is a push. (a) False (b) True
  37. 37.💪 In a tug of war, one team pulls right with 50 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
  38. 38.💪 A cart is pulled to the right with 55 N and to the left with 55 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  39. 39.💪 A cart is pulled to the right with 25 N and to the left with 15 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  40. 40.💪 Two children push a box to the right, one with 55 N and the other with 25 N. What is the net (total) force on the box, in newtons?

Answer key

  1. a pull
  2. lifting a school bag
  3. gravity
  4. 85
  5. False
  6. False
  7. shoes grip the floor
  8. no net force
  9. muscular force
  10. 50
  11. True
  12. 115
  13. 5
  14. to the right
  15. rubbing hands warms them
  16. push or a pull
  17. a pull
  18. 47
  19. balanced
  20. a push
  21. 4
  22. a fridge magnet sticks
  23. True
  24. brakes stop a bicycle
  25. rain falls to the ground
  26. 30
  27. False
  28. 15
  29. to the right
  30. muscular force
  31. False
  32. 370
  33. 200
  34. True
  35. a pull
  36. False
  37. 35
  38. no net force
  39. to the right
  40. 80

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