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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 349 · 40 questions
TalentJR

Engineer's tip (What is in the middle?): Find the fulcrum, the load and the effort. Put them in order along the bar and look at the middle one. Fulcrum middle → class 1 · load middle → class 2 · effort middle → class 3.

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  1. 1.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  2. 2.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  4. 4.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) nothing (c) the load (d) the effort
  5. 5.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  6. 6.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  7. 7.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  8. 8.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  9. 9.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  11. 11.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  12. 12.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  13. 13.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  17. 17.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  19. 19.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  21. 21.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  22. 22.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the axle (c) the fulcrum (d) the load
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  24. 24.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 2 (c) class 1
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  26. 26.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  27. 27.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  28. 28.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) on the rock (c) far from the fulcrum (d) near the fulcrum
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 90 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  30. 30.⚖️ What is the pivot point of a lever called? (a) the effort (b) the load (c) the axle (d) the fulcrum
  31. 31.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  32. 32.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the pulley (d) the effort
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  34. 34.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  35. 35.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  37. 37.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 100 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3

Answer key

  1. class 1
  2. class 1
  3. class 3
  4. the fulcrum
  5. True
  6. True
  7. False
  8. False
  9. class 3
  10. class 1
  11. class 2
  12. class 1
  13. class 1
  14. class 1
  15. class 2
  16. class 1
  17. class 1
  18. class 2
  19. False
  20. class 1
  21. class 2
  22. the load
  23. class 3
  24. class 3
  25. class 2
  26. class 2
  27. class 2
  28. far from the fulcrum
  29. class 2
  30. the fulcrum
  31. True
  32. the effort
  33. class 2
  34. True
  35. False
  36. class 2
  37. class 3
  38. class 3
  39. class 3
  40. class 1

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