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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 896 · 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.⚖️ 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
  2. 2.⚖️ 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
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  4. 4.True or false: a fishing rod is a class 2 lever (load in the middle). (a) False (b) True
  5. 5.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  6. 6.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) nothing
  7. 7.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 1 (c) class 3
  8. 8.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  9. 9.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  10. 10.True or false: a beam balance is a class 2 lever (load in the middle). (a) True (b) False
  11. 11.⚖️ 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 2 (b) class 3 (c) class 1
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  13. 13.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  14. 14.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  16. 16.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  17. 17.⚖️ 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
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 70 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
  19. 19.⚖️ 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
  20. 20.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  22. 22.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  23. 23.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  24. 24.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
  25. 25.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  26. 26.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  27. 27.True or false: a seesaw is a class 3 lever (effort in the middle). (a) False (b) True
  28. 28.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  29. 29.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  30. 30.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 3 (c) class 2
  31. 31.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  34. 34.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  36. 36.⚖️ 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 2 (c) class 1
  37. 37.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 100 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  40. 40.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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