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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 574 · 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.⚖️ 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 3 (c) class 2
  2. 2.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  3. 3.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  4. 4.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  5. 5.⚖️ 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 3 (c) class 2
  6. 6.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  7. 7.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  8. 8.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the fulcrum (d) the load
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  11. 11.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  12. 12.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) nothing (c) the load (d) the effort
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 90 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  15. 15.⚖️ 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
  16. 16.⚖️ 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 3 (b) class 1 (c) class 2
  17. 17.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  19. 19.⚖️ 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 1 (b) class 3 (c) class 2
  20. 20.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  22. 22.⚖️ 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 1 (c) class 3
  23. 23.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  24. 24.⚖️ 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
  25. 25.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  26. 26.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  27. 27.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  28. 28.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  29. 29.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 100 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  33. 33.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 2 (c) class 3
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  35. 35.⚖️ 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 2 (c) class 3
  36. 36.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  37. 37.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  38. 38.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  39. 39.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  40. 40.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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