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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 212 · 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 your forearm? (a) class 2 (b) class 3 (c) class 1
  2. 2.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  3. 3.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the fulcrum (c) the effort (d) the load
  4. 4.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) on the rock (c) far from the fulcrum (d) near the fulcrum
  5. 5.⚖️ 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
  6. 6.⚖️ What is the pivot point of a lever called? (a) the effort (b) the load (c) the axle (d) the fulcrum
  7. 7.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  8. 8.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  9. 9.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  10. 10.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  11. 11.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  12. 12.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  13. 13.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  15. 15.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. 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, effort, load. Which class of lever is it? (a) class 2 (b) class 3 (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 3 (b) class 1 (c) class 2
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  19. 19.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 110 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  22. 22.True or false: your forearm is a class 2 lever (load in the middle). (a) False (b) True
  23. 23.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) False (b) True
  24. 24.⚖️ 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 3 (b) class 2 (c) class 1
  25. 25.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 110 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  28. 28.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  29. 29.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  30. 30.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) nothing (d) the effort
  31. 31.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 30 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
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  34. 34.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  35. 35.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  37. 37.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  38. 38.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ 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
  40. 40.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1

Answer key

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

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