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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 307 · 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.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the fulcrum (d) the load
  2. 2.⚖️ 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 1 (c) class 3
  3. 3.True or false: a crowbar 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 0 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  5. 5.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) nothing
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 70 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
  7. 7.⚖️ 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
  8. 8.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  9. 9.⚖️ 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
  10. 10.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  11. 11.⚖️ What is the pivot point of a lever called? (a) the effort (b) the load (c) the fulcrum (d) the axle
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  13. 13.⚖️ 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
  14. 14.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  15. 15.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
  16. 16.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  17. 17.True or false: a bottle opener 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 80 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  20. 20.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  22. 22.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) the pulley
  23. 23.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  26. 26.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  28. 28.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  29. 29.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  31. 31.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  32. 32.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 3 (c) class 2
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  34. 34.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 70 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
  36. 36.⚖️ 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 2 (c) class 1
  37. 37.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  38. 38.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  39. 39.True or false: a pair of pliers 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 60 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

Answer key

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

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