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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 239 · 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.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  3. 3.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  5. 5.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  7. 7.⚖️ 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 2 (c) class 1
  8. 8.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  9. 9.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 1 (c) class 2
  10. 10.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  11. 11.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the rock (c) on the fulcrum (d) near the fulcrum
  12. 12.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  13. 13.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  14. 14.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  17. 17.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  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.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  20. 20.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  21. 21.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  22. 22.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the effort (c) the axle (d) the fulcrum
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  24. 24.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  25. 25.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  26. 26.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 3 (c) class 1
  27. 27.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  28. 28.⚖️ 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
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  30. 30.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  31. 31.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False
  32. 32.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  35. 35.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the fulcrum (c) the load (d) the effort
  36. 36.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  37. 37.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  39. 39.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  40. 40.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True

Answer key

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

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