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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 742 · 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 50 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  3. 3.⚖️ 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 3 (c) class 2
  4. 4.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  5. 5.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  6. 6.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  9. 9.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ 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
  11. 11.⚖️ 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 1 (c) class 3
  12. 12.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  13. 13.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  15. 15.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the pulley (c) the load (d) the fulcrum
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  17. 17.⚖️ 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 3 (c) class 1
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  19. 19.⚖️ 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 2 (b) class 3 (c) class 1
  20. 20.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  21. 21.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  22. 22.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the rock (c) on the fulcrum (d) near the fulcrum
  23. 23.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  24. 24.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) nothing (d) the effort
  25. 25.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  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 2 (b) class 1 (c) class 3
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  29. 29.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  30. 30.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  31. 31.⚖️ What is the pivot point of a lever called? (a) the load (b) the axle (c) the fulcrum (d) the effort
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  33. 33.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  34. 34.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  35. 35.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the fulcrum (c) the axle (d) the effort
  36. 36.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 3 (c) class 1
  37. 37.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  40. 40.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2

Answer key

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

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