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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 345 · 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.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  2. 2.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) far from the fulcrum (c) near the fulcrum (d) on the rock
  3. 3.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  5. 5.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  6. 6.⚖️ What is the pivot point of a lever called? (a) the load (b) the axle (c) the fulcrum (d) the effort
  7. 7.True or false: a seesaw is a class 2 lever (load in the middle). (a) False (b) True
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  9. 9.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ 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
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  12. 12.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  13. 13.⚖️ 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 1 (c) class 2
  14. 14.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  15. 15.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  18. 18.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  19. 19.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  20. 20.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  21. 21.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  22. 22.⚖️ 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 3 (b) class 1 (c) class 2
  23. 23.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  24. 24.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the load (c) the axle (d) the fulcrum
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  26. 26.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  27. 27.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  30. 30.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  31. 31.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) nothing (c) the load (d) the effort
  32. 32.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  33. 33.True or false: a fishing rod is a class 2 lever (load in the middle). (a) False (b) True
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  35. 35.⚖️ 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 3 (b) class 1 (c) class 2
  36. 36.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the pulley (c) the fulcrum (d) the load
  37. 37.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) True (b) False
  38. 38.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  39. 39.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2

Answer key

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

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