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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 547 · 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.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  2. 2.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  3. 3.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  4. 4.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the load (c) the effort (d) the fulcrum
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  6. 6.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  7. 7.⚖️ 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
  8. 8.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the effort (d) the fulcrum
  9. 9.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  10. 10.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  11. 11.⚖️ What is the pivot point of a lever called? (a) the effort (b) the load (c) the fulcrum (d) the axle
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  13. 13.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  14. 14.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  15. 15.⚖️ 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 2 (c) class 3
  16. 16.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  17. 17.True or false: a seesaw is a class 2 lever (load in the middle). (a) False (b) True
  18. 18.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  19. 19.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  20. 20.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  22. 22.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  25. 25.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 3 (c) class 2
  26. 26.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  27. 27.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  29. 29.⚖️ 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
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  31. 31.⚖️ 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
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  33. 33.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the rock (c) near the fulcrum (d) on the fulcrum
  34. 34.⚖️ 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 2 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  36. 36.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  37. 37.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  38. 38.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  40. 40.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False

Answer key

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

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