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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 66 · 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 pair of scissors? (a) class 3 (b) class 2 (c) class 1
  2. 2.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  4. 4.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 3 (c) class 1
  5. 5.⚖️ What is the pivot point of a lever called? (a) the load (b) the axle (c) the fulcrum (d) the effort
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  7. 7.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  8. 8.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  11. 11.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  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 1 (b) class 2 (c) class 3
  13. 13.True or false: a fishing rod is a class 2 lever (load in the middle). (a) False (b) True
  14. 14.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the load (c) the axle (d) the effort
  15. 15.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  16. 16.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  19. 19.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  20. 20.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  21. 21.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  22. 22.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  23. 23.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 2 (c) class 3
  24. 24.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 110 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  27. 27.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 30 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
  29. 29.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) nothing (d) the effort
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  31. 31.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  32. 32.⚖️ 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
  33. 33.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  34. 34.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  35. 35.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) on the fulcrum (c) far from the fulcrum (d) near the fulcrum
  36. 36.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  38. 38.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 70 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 3
  3. class 2
  4. class 2
  5. the fulcrum
  6. class 3
  7. class 3
  8. class 3
  9. class 1
  10. class 1
  11. False
  12. class 1
  13. False
  14. the load
  15. False
  16. False
  17. class 1
  18. class 1
  19. True
  20. class 1
  21. class 3
  22. False
  23. class 2
  24. True
  25. class 3
  26. class 1
  27. False
  28. class 1
  29. the fulcrum
  30. class 1
  31. True
  32. class 3
  33. True
  34. False
  35. far from the fulcrum
  36. class 2
  37. class 1
  38. True
  39. class 3
  40. class 1

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