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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 807 · 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.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  2. 2.⚖️ 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 2 (c) class 3
  3. 3.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 1 (c) class 3
  4. 4.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) near the fulcrum (c) on the rock (d) on the fulcrum
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  7. 7.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  8. 8.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  9. 9.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  10. 10.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) the axle
  11. 11.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  12. 12.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  13. 13.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  14. 14.⚖️ 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 3 (b) class 1 (c) class 2
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 100 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  16. 16.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  17. 17.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  18. 18.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the load (c) the effort (d) the fulcrum
  19. 19.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 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 60 cm, the fulcrum at 30 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 70 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 90 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  24. 24.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  25. 25.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  27. 27.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  28. 28.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  29. 29.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the pulley
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  32. 32.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) False (b) True
  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.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
  35. 35.⚖️ 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 1 (b) class 3 (c) class 2
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  37. 37.True or false: a bottle opener 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 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.⚖️ 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
  40. 40.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2

Answer key

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

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