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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 907 · 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 0 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  2. 2.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  3. 3.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 100 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  5. 5.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  6. 6.True or false: a bottle opener is a class 2 lever (load 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 20 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 100 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the pulley
  10. 10.⚖️ 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
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  12. 12.⚖️ 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 3 (c) class 2
  13. 13.True or false: your forearm is a class 2 lever (load in the middle). (a) False (b) True
  14. 14.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the effort (c) the load (d) the axle
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  16. 16.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 50 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 30 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  19. 19.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  20. 20.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) False (b) True
  21. 21.⚖️ 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
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  23. 23.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  24. 24.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  25. 25.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  26. 26.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the axle
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  28. 28.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  29. 29.True or false: a seesaw is a class 2 lever (load in the middle). (a) False (b) True
  30. 30.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  31. 31.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  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 2 (c) class 3
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 90 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  35. 35.⚖️ 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 2 (b) class 1 (c) class 3
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 70 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
  37. 37.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 3 (c) class 1
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  39. 39.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 2 (c) class 3
  40. 40.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the fulcrum (d) the effort

Answer key

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

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