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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 626 · 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 wheelbarrow? (a) class 1 (b) class 2 (c) class 3
  2. 2.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  4. 4.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  5. 5.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  11. 11.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  14. 14.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the load (d) the fulcrum
  15. 15.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) near the fulcrum (c) on the rock (d) far from the fulcrum
  16. 16.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  17. 17.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  19. 19.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  20. 20.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the pulley (d) the effort
  21. 21.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  22. 22.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the fulcrum (d) the axle
  23. 23.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  24. 24.True or false: a fishing rod is a class 2 lever (load in the middle). (a) False (b) True
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 90 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 90 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  28. 28.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 3 (c) class 2
  29. 29.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  31. 31.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  33. 33.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  34. 34.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  35. 35.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 3 (c) class 1
  36. 36.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the load (d) the fulcrum
  37. 37.⚖️ 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 3 (b) class 1 (c) class 2
  38. 38.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  39. 39.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 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 2
  2. class 3
  3. class 2
  4. False
  5. False
  6. False
  7. class 3
  8. class 3
  9. class 2
  10. class 1
  11. class 1
  12. class 1
  13. class 1
  14. the fulcrum
  15. far from the fulcrum
  16. True
  17. False
  18. class 2
  19. False
  20. the effort
  21. class 3
  22. the fulcrum
  23. True
  24. False
  25. class 3
  26. class 3
  27. class 1
  28. class 3
  29. False
  30. class 1
  31. class 1
  32. class 3
  33. True
  34. False
  35. class 1
  36. the load
  37. class 1
  38. False
  39. True
  40. class 2

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