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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 945 · 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 beam balance? (a) class 1 (b) class 2 (c) class 3
  2. 2.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  3. 3.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  4. 4.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  5. 5.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  6. 6.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  9. 9.⚖️ 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 2 (c) class 3
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  11. 11.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 2 (c) class 3
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  13. 13.True or false: a beam balance is a class 2 lever (load in the middle). (a) True (b) False
  14. 14.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  15. 15.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the effort (d) the fulcrum
  16. 16.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 90 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  18. 18.⚖️ 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 3 (b) class 1 (c) class 2
  19. 19.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 10 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 20 cm, the fulcrum at 80 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  22. 22.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  23. 23.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  24. 24.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  25. 25.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  26. 26.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  27. 27.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  28. 28.⚖️ What is the pivot point of a lever called? (a) the effort (b) the axle (c) the fulcrum (d) the load
  29. 29.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  30. 30.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the load (c) the effort (d) the fulcrum
  31. 31.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  34. 34.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the fulcrum (d) the effort
  35. 35.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 2 (c) class 1
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  37. 37.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  38. 38.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  39. 39.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  40. 40.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3

Answer key

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

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