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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 293 · 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.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  2. 2.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  3. 3.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  4. 4.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  5. 5.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  6. 6.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  8. 8.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the fulcrum (c) the load (d) the effort
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  10. 10.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the axle (d) the fulcrum
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  14. 14.⚖️ 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
  15. 15.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  16. 16.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  17. 17.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  18. 18.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the effort (d) the fulcrum
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 100 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  23. 23.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  24. 24.⚖️ 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 3 (c) class 2
  25. 25.⚖️ 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
  26. 26.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  27. 27.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  30. 30.True or false: a fishing rod is a class 2 lever (load in the middle). (a) True (b) False
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  34. 34.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  35. 35.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  36. 36.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the pulley (c) the effort (d) the fulcrum
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  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 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  40. 40.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True

Answer key

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

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