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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 619 · 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 kitchen tongs is a class 2 lever (load in the middle). (a) False (b) True
  2. 2.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  3. 3.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) True (b) False
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  5. 5.⚖️ 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
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  8. 8.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  11. 11.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  12. 12.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  14. 14.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the load (d) the fulcrum
  17. 17.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  18. 18.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  19. 19.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  20. 20.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  21. 21.True or false: a beam balance is a class 2 lever (load in the middle). (a) True (b) False
  22. 22.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  23. 23.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  26. 26.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  27. 27.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) the axle
  28. 28.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 3 (c) class 1
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  30. 30.⚖️ 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
  31. 31.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  32. 32.⚖️ 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
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  34. 34.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  35. 35.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  36. 36.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  37. 37.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  38. 38.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  40. 40.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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