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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 231 · 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 3 lever, what is in the middle? (a) the effort (b) the pulley (c) the load (d) the fulcrum
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  3. 3.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) nothing
  4. 4.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  5. 5.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the axle
  6. 6.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the axle (c) the effort (d) the load
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  9. 9.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  11. 11.⚖️ 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
  12. 12.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  14. 14.⚖️ 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 3 (b) class 1 (c) class 2
  15. 15.⚖️ 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 3 (c) class 2
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 70 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
  17. 17.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 3 (c) class 1
  18. 18.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  19. 19.⚖️ 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 3 (b) class 1 (c) class 2
  20. 20.⚖️ 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 1 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  22. 22.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  23. 23.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  24. 24.⚖️ 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
  25. 25.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  29. 29.⚖️ 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 1 (b) class 3 (c) class 2
  30. 30.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  32. 32.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  33. 33.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  36. 36.⚖️ 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
  37. 37.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  38. 38.⚖️ 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 2 (b) class 3 (c) class 1
  39. 39.True or false: a bottle opener 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 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

Answer key

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

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