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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 564 · 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 pair of scissors? (a) class 1 (b) class 3 (c) class 2
  2. 2.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the effort (d) the load
  3. 3.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) on the fulcrum (c) near the fulcrum (d) far from the fulcrum
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  5. 5.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  6. 6.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  9. 9.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  10. 10.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  11. 11.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  13. 13.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 3 (c) class 1
  14. 14.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  15. 15.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  16. 16.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  17. 17.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the pulley (d) the load
  18. 18.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 3 (c) class 1
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  21. 21.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  22. 22.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  23. 23.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  24. 24.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) nothing (c) the load (d) the effort
  25. 25.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the axle (c) the load (d) the effort
  26. 26.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  28. 28.True or false: a fishing rod is a class 2 lever (load in the middle). (a) True (b) False
  29. 29.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  30. 30.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  31. 31.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  33. 33.⚖️ 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 2 (b) class 1 (c) class 3
  34. 34.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  36. 36.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  38. 38.⚖️ 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
  39. 39.True or false: a seesaw is a class 2 lever (load in the middle). (a) False (b) True
  40. 40.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True

Answer key

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

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