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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 127 · 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 30 cm, the fulcrum at 90 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  2. 2.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  3. 3.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the pulley
  4. 4.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  5. 5.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  6. 6.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  7. 7.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) nothing
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  9. 9.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 110 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  11. 11.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  12. 12.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  13. 13.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  14. 14.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 110 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  17. 17.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 100 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  19. 19.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  20. 20.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  21. 21.⚖️ 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 1 (c) class 2
  22. 22.⚖️ 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 2 (c) class 1
  23. 23.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  24. 24.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) the axle
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 20 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 0 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  29. 29.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 3 (c) class 1
  30. 30.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 3 (c) class 1
  31. 31.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  32. 32.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  33. 33.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) near the fulcrum (c) on the rock (d) far from the fulcrum
  34. 34.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  35. 35.⚖️ 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
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  38. 38.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) True (b) False
  39. 39.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  40. 40.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True

Answer key

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

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