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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 660 · 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 wheelbarrow? (a) class 3 (b) class 1 (c) class 2
  2. 2.⚖️ 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
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  4. 4.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False
  5. 5.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  6. 6.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the pulley (c) the load (d) the effort
  7. 7.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  8. 8.True or false: a lemon squeezer 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 30 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  10. 10.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 2 (c) class 1
  11. 11.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  13. 13.⚖️ 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
  14. 14.⚖️ 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 3 (c) class 1
  15. 15.⚖️ What is the pivot point of a lever called? (a) the effort (b) the load (c) the axle (d) the fulcrum
  16. 16.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  18. 18.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  21. 21.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  22. 22.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  23. 23.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  24. 24.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  25. 25.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  26. 26.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  27. 27.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the fulcrum (d) the effort
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 100 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  30. 30.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  31. 31.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  32. 32.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) nothing
  33. 33.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
  34. 34.⚖️ 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 3 (b) class 1 (c) class 2
  35. 35.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  36. 36.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  37. 37.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) far from the fulcrum (c) on the rock (d) near the fulcrum
  38. 38.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  39. 39.⚖️ 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 3 (c) class 1
  40. 40.⚖️ 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

Answer key

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

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