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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 883 · 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.💪 In a tug of war, one team pulls right with 50 N and the other pulls left with 35 N. What is the size of the net force, in newtons?
  2. 2.True or false: pulling a cart is a pull. (a) False (b) True
  3. 3.💪 A cart is pulled to the right with 95 N and to the left with 95 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  4. 4.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) squeezing a lemon (c) a compass needle turns (d) brakes stop a bicycle
  5. 5.💪 Two children push a box to the right, one with 45 N and the other with 30 N. What is the net (total) force on the box, in newtons?
  6. 6.True or false: hitting a cricket ball is a pull. (a) False (b) True
  7. 7.Which of these is caused by magnetic force? (a) squeezing a lemon (b) shoes grip the floor (c) rain falls to the ground (d) a magnet picks up pins
  8. 8.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  9. 9.💪 In a tug of war, one team pulls right with 75 N and the other pulls left with 55 N. What is the size of the net force, in newtons?
  10. 10.💪 Which force is at work: a compass needle turns? (a) muscular force (b) gravity (c) friction (d) magnetic force
  11. 11.💪 Which force is at work: pedalling a cycle? (a) gravity (b) magnetic force (c) muscular force (d) friction
  12. 12.💪 A box weighs 360 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  13. 13.💪 A cart is pulled to the right with 35 N and to the left with 20 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  14. 14.💪 Two children push a box to the right, one with 90 N and the other with 85 N. What is the net (total) force on the box, in newtons?
  15. 15.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  16. 16.Which of these is caused by gravity? (a) a thrown ball comes down (b) a rolling ball slows (c) a magnet picks up pins (d) rubbing hands warms them
  17. 17.Which of these is caused by muscular force? (a) rubbing hands warms them (b) lifting a school bag (c) a thrown ball comes down (d) rain falls to the ground
  18. 18.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  19. 19.Which of these is caused by gravity? (a) pedalling a cycle (b) squeezing a lemon (c) an apple falls down (d) a magnet picks up pins
  20. 20.Which of these is caused by friction? (a) pedalling a cycle (b) rain falls to the ground (c) a rolling ball slows (d) an apple falls down
  21. 21.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  22. 22.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  23. 23.💪 In a tug of war, one team pulls right with 80 N and the other pulls left with 55 N. What is the size of the net force, in newtons?
  24. 24.💪 Which force is at work: a thrown ball comes down? (a) friction (b) muscular force (c) gravity (d) magnetic force
  25. 25.💪 A cart is pulled to the right with 20 N and to the left with 5 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  26. 26.True or false: pulling up your socks is a push. (a) False (b) True
  27. 27.True or false: closing a drawer is a pull. (a) True (b) False
  28. 28.💪 A box weighs 470 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  29. 29.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
  30. 30.💪 A cart is pulled to the right with 35 N and to the left with 30 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  31. 31.💪 Which can a force NOT do? (a) start it moving (b) change its shape (c) stop it moving (d) change its colour
  32. 32.Which of these is caused by muscular force? (a) a magnet picks up pins (b) an apple falls down (c) rain falls to the ground (d) pedalling a cycle
  33. 33.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) gravity (c) friction (d) magnetic force
  34. 34.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
  35. 35.💪 A box weighs 370 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  36. 36.💪 In a tug of war, one team pulls right with 85 N and the other pulls left with 35 N. What is the size of the net force, in newtons?
  37. 37.💪 Which force is at work: an apple falls down? (a) muscular force (b) friction (c) magnetic force (d) gravity
  38. 38.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
  39. 39.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) balanced (c) unbalanced (d) doubled
  40. 40.💪 In a tug of war, one team pulls right with 85 N and the other pulls left with 65 N. What is the size of the net force, in newtons?

Answer key

  1. 15
  2. True
  3. no net force
  4. a compass needle turns
  5. 75
  6. False
  7. a magnet picks up pins
  8. a pull
  9. 20
  10. magnetic force
  11. muscular force
  12. 36
  13. to the right
  14. 175
  15. a pull
  16. a thrown ball comes down
  17. lifting a school bag
  18. a pull
  19. an apple falls down
  20. a rolling ball slows
  21. a push
  22. a push
  23. 25
  24. gravity
  25. to the right
  26. False
  27. False
  28. 47
  29. 5
  30. to the right
  31. change its colour
  32. pedalling a cycle
  33. magnetic force
  34. a push
  35. 37
  36. 50
  37. gravity
  38. a push
  39. balanced
  40. 20

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