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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 704 · 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 crowbar? (a) class 1 (b) class 2 (c) class 3
  2. 2.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  4. 4.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  5. 5.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the load (c) the effort (d) the fulcrum
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  8. 8.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  9. 9.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  11. 11.True or false: your forearm is a class 2 lever (load in the middle). (a) False (b) True
  12. 12.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  13. 13.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  14. 14.⚖️ 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 2 (b) class 3 (c) class 1
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  16. 16.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  17. 17.⚖️ 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
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  19. 19.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. 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 110 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  21. 21.⚖️ 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 2 (b) class 3 (c) class 1
  22. 22.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  23. 23.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  24. 24.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  25. 25.⚖️ 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 3 (b) class 1 (c) class 2
  26. 26.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  27. 27.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  28. 28.⚖️ 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 1 (b) class 2 (c) class 3
  29. 29.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  30. 30.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the axle (d) the fulcrum
  31. 31.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the pulley
  32. 32.⚖️ 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 1 (c) class 2
  33. 33.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  35. 35.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  36. 36.⚖️ 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 2 (b) class 3 (c) class 1
  37. 37.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) nothing (d) the effort
  38. 38.⚖️ 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 3 (b) class 1 (c) class 2
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 100 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  40. 40.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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