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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 771 · 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 beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  2. 2.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the load (c) nothing (d) the fulcrum
  3. 3.⚖️ 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 1 (c) class 2
  4. 4.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 2 (c) class 3
  5. 5.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  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 3 (b) class 1 (c) class 2
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  8. 8.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  9. 9.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  10. 10.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) near the fulcrum (c) far from the fulcrum (d) on the fulcrum
  11. 11.⚖️ What is the pivot point of a lever called? (a) the load (b) the axle (c) the fulcrum (d) the effort
  12. 12.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  13. 13.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 1 (c) class 2
  14. 14.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  16. 16.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  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 2 (b) class 1 (c) class 3
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 70 cm. 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 50 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
  20. 20.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  21. 21.⚖️ 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
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  23. 23.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  24. 24.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  25. 25.⚖️ 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 1 (b) class 2 (c) class 3
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  27. 27.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 3 (c) class 2
  28. 28.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  29. 29.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True
  30. 30.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  32. 32.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  33. 33.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  38. 38.⚖️ 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 1 (b) class 3 (c) class 2
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  40. 40.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False

Answer key

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

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