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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 653 · 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.⚖️ 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 2 (c) class 1
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  3. 3.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the load (c) the fulcrum (d) the effort
  4. 4.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  5. 5.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  6. 6.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  7. 7.⚖️ 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 3 (c) class 2
  8. 8.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  9. 9.⚖️ 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 1 (c) class 2
  10. 10.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  11. 11.⚖️ 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
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  13. 13.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  14. 14.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  17. 17.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) the pulley
  18. 18.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (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.⚖️ 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 1 (b) class 3 (c) class 2
  22. 22.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the fulcrum (d) the load
  23. 23.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  24. 24.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  25. 25.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  26. 26.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  27. 27.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  30. 30.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  31. 31.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 3 (c) class 2
  32. 32.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  33. 33.⚖️ 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
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  36. 36.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  37. 37.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  38. 38.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 2 (c) class 3
  39. 39.⚖️ 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 1 (b) class 3 (c) class 2
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3

Answer key

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

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