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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 361 · 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.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  2. 2.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  3. 3.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the pulley (c) the effort (d) the fulcrum
  4. 4.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the fulcrum (d) the axle
  5. 5.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  6. 6.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  7. 7.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  8. 8.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  9. 9.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  10. 10.True or false: a seesaw 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 10 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  12. 12.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  13. 13.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 80 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 70 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  18. 18.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 3 (c) class 2
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 80 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  21. 21.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 3 (c) class 2
  22. 22.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  25. 25.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 2 (c) class 1
  26. 26.True or false: a pair of tweezers is a class 3 lever (effort 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 80 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  28. 28.⚖️ 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 3 (b) class 1 (c) class 2
  29. 29.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  30. 30.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True
  31. 31.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 90 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  33. 33.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  35. 35.True or false: a fishing rod is a class 2 lever (load in the middle). (a) True (b) False
  36. 36.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  37. 37.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) nothing (d) the effort
  38. 38.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the axle
  39. 39.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) True (b) False
  40. 40.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) on the fulcrum (c) near the fulcrum (d) far from the fulcrum

Answer key

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

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