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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 206 · 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 pair of pliers? (a) class 3 (b) class 2 (c) class 1
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  3. 3.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 100 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 80 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  6. 6.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  7. 7.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the load (d) the pulley
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  9. 9.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  11. 11.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 90 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  13. 13.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  14. 14.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  16. 16.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  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.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  19. 19.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  21. 21.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the fulcrum (d) the effort
  22. 22.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  23. 23.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  25. 25.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) nothing (c) the effort (d) the load
  26. 26.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  28. 28.⚖️ 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 1 (b) class 2 (c) class 3
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 100 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  30. 30.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  31. 31.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 90 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  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 2 (b) class 1 (c) class 3
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 100 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  39. 39.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  40. 40.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False

Answer key

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

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