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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 387 · 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 2 lever (load in the middle). (a) True (b) False
  2. 2.⚖️ 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 3 (c) class 2
  3. 3.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  4. 4.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the fulcrum (c) on the rock (d) far from the fulcrum
  5. 5.⚖️ Which class of lever is a pair of scissors? (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 1 (b) class 2 (c) class 3
  7. 7.⚖️ 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 1 (b) class 2 (c) class 3
  8. 8.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 1 (c) class 2
  9. 9.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  10. 10.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) False (b) True
  11. 11.⚖️ 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
  12. 12.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 2 (c) class 1
  13. 13.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  14. 14.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the fulcrum (d) the effort
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  16. 16.⚖️ What is the pivot point of a lever called? (a) the axle (b) the effort (c) the load (d) the fulcrum
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  18. 18.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  19. 19.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  20. 20.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  21. 21.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  22. 22.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  23. 23.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  24. 24.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 70 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  26. 26.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  27. 27.⚖️ 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 2 (c) class 3
  28. 28.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 90 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  31. 31.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  33. 33.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  34. 34.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the fulcrum (c) the load (d) the effort
  35. 35.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  36. 36.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 3 (c) class 1
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  40. 40.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True

Answer key

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

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