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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 691 · 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 2 (b) class 1 (c) class 3
  2. 2.⚖️ 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
  3. 3.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  5. 5.⚖️ What is the pivot point of a lever called? (a) the effort (b) the load (c) the axle (d) the fulcrum
  6. 6.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  7. 7.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  8. 8.⚖️ 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
  9. 9.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the effort (c) the axle (d) the fulcrum
  10. 10.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 30 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
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  14. 14.⚖️ 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
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  16. 16.True or false: a beam balance is a class 2 lever (load in the middle). (a) True (b) False
  17. 17.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  18. 18.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) far from the fulcrum (c) on the fulcrum (d) near the fulcrum
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 40 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 30 cm, the fulcrum at 90 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  22. 22.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  23. 23.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  24. 24.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the pulley (c) the effort (d) the fulcrum
  25. 25.⚖️ 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 3 (b) class 2 (c) class 1
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  28. 28.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  29. 29.⚖️ 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 2 (c) class 1
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  31. 31.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 3 (c) class 1
  32. 32.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  33. 33.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  34. 34.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 90 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  38. 38.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the fulcrum (d) the effort
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  40. 40.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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