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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 904 · 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 20 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  2. 2.⚖️ 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 1 (b) class 3 (c) class 2
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  4. 4.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  5. 5.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  6. 6.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  7. 7.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ What is the pivot point of a lever called? (a) the load (b) the axle (c) the effort (d) the fulcrum
  10. 10.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the load (c) the fulcrum (d) the effort
  11. 11.⚖️ 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
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  13. 13.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  14. 14.⚖️ 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 3 (b) class 2 (c) class 1
  15. 15.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  16. 16.True or false: a fishing rod 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 30 cm, the fulcrum at 90 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  18. 18.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) False (b) True
  19. 19.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 2 (c) class 1
  21. 21.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  22. 22.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  23. 23.True or false: a pair of pliers 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 20 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
  25. 25.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the load (c) the axle (d) the fulcrum
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  27. 27.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  29. 29.⚖️ 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
  30. 30.⚖️ 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 2 (b) class 1 (c) class 3
  31. 31.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  32. 32.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  33. 33.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 1 (c) class 2
  34. 34.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  35. 35.⚖️ 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 2 (c) class 3
  36. 36.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 3 (c) class 1
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  38. 38.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) far from the fulcrum (c) near the fulcrum (d) on the fulcrum
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  40. 40.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True

Answer key

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

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