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Types of Levers Worksheet

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

Answer key

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

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