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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 308 · 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 20 cm, the fulcrum at 50 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  2. 2.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  3. 3.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  4. 4.⚖️ 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
  5. 5.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the load (c) the fulcrum (d) the effort
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  7. 7.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  9. 9.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the rock (c) on the fulcrum (d) far from the fulcrum
  11. 11.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  12. 12.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  13. 13.⚖️ 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 3 (b) class 2 (c) class 1
  14. 14.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  15. 15.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  17. 17.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  19. 19.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  20. 20.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the pulley (c) the effort (d) the load
  21. 21.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  22. 22.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  24. 24.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the effort (c) the fulcrum (d) the load
  25. 25.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  26. 26.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 30 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 60 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  29. 29.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 100 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  31. 31.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  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 100 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 100 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
  35. 35.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) False (b) True
  36. 36.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  38. 38.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  39. 39.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the load (d) the effort
  40. 40.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False

Answer key

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

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