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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 365 · 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 seesaw? (a) class 2 (b) class 1 (c) class 3
  2. 2.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  3. 3.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  5. 5.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  6. 6.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  7. 7.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  8. 8.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  9. 9.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) False (b) True
  10. 10.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  11. 11.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) True (b) False
  12. 12.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the load (c) the effort (d) the fulcrum
  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 2 (b) class 3 (c) class 1
  14. 14.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  15. 15.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
  16. 16.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  18. 18.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  19. 19.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) the axle
  20. 20.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 70 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 90 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
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  24. 24.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 1 (c) class 3
  25. 25.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  26. 26.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  27. 27.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  28. 28.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  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 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 90 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  32. 32.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  33. 33.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  34. 34.⚖️ 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 3 (b) class 1 (c) class 2
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  36. 36.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) near the fulcrum (c) on the fulcrum (d) far from the fulcrum
  37. 37.⚖️ 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 2 (b) class 3 (c) class 1
  38. 38.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  39. 39.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  40. 40.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True

Answer key

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

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