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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 27 · 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.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  2. 2.⚖️ 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 1 (c) class 2
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  4. 4.⚖️ 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 3 (c) class 2
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 90 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
  6. 6.⚖️ 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 2 (c) class 1
  7. 7.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  8. 8.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  11. 11.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  12. 12.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  13. 13.True or false: a fishing rod 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 20 cm, the fulcrum at 90 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  15. 15.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  16. 16.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  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 2 (c) class 3
  18. 18.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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.⚖️ 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 2 (b) class 3 (c) class 1
  22. 22.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  23. 23.⚖️ 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 1 (c) class 3
  24. 24.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  25. 25.⚖️ What is the pivot point of a lever called? (a) the effort (b) the fulcrum (c) the load (d) the axle
  26. 26.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  29. 29.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  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 2 (b) class 3 (c) class 1
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 70 cm. 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 0 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
  33. 33.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  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.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the rock (c) far from the fulcrum (d) on the fulcrum
  36. 36.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  37. 37.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  38. 38.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  39. 39.⚖️ 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 2 (c) class 1
  40. 40.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the pulley

Answer key

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

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