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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 554 · 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 bottle opener? (a) class 1 (b) class 2 (c) class 3
  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 2 (b) class 3 (c) class 1
  3. 3.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  4. 4.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  5. 5.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the axle (c) the effort (d) the load
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  7. 7.True or false: a seesaw is a class 3 lever (effort in the middle). (a) False (b) True
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  9. 9.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  11. 11.True or false: a beam balance is a class 2 lever (load in the middle). (a) True (b) False
  12. 12.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the fulcrum (c) the effort (d) the load
  13. 13.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  15. 15.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  16. 16.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  17. 17.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  18. 18.⚖️ 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
  19. 19.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the load (c) the fulcrum (d) the effort
  20. 20.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  21. 21.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  22. 22.⚖️ 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 2 (b) class 3 (c) class 1
  23. 23.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  24. 24.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  25. 25.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2
  26. 26.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  27. 27.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  28. 28.⚖️ 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 3 (b) class 1 (c) class 2
  29. 29.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  32. 32.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  34. 34.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  37. 37.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 3 (c) class 2
  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 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  39. 39.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  40. 40.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2

Answer key

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

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