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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 205 · 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.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  2. 2.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the axle (c) the effort (d) the load
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  4. 4.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) False (b) True
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  6. 6.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the effort (c) the load (d) the fulcrum
  7. 7.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  8. 8.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  9. 9.⚖️ 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 2 (c) class 3
  10. 10.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  13. 13.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  14. 14.⚖️ 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
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  16. 16.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  17. 17.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  19. 19.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  20. 20.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  21. 21.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the axle (d) the load
  22. 22.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  23. 23.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  24. 24.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) the pulley
  25. 25.⚖️ 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
  26. 26.⚖️ 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 3 (c) class 1
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 90 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  29. 29.⚖️ 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 1 (c) class 3
  30. 30.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  31. 31.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  32. 32.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  34. 34.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  36. 36.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ 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
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  40. 40.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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