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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 238 · 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 pair of pliers? (a) class 3 (b) class 2 (c) class 1
  2. 2.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  3. 3.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  5. 5.⚖️ 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 3 (b) class 2 (c) class 1
  6. 6.⚖️ 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
  7. 7.True or false: your forearm is a class 2 lever (load in the middle). (a) False (b) True
  8. 8.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the fulcrum (c) nothing (d) the load
  9. 9.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 110 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  11. 11.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  12. 12.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  13. 13.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  15. 15.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the load (c) the fulcrum (d) the effort
  16. 16.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  17. 17.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  19. 19.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 2 (c) class 1
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  21. 21.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) False (b) True
  22. 22.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the axle (c) the load (d) the effort
  23. 23.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  26. 26.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 3 (c) class 2
  27. 27.⚖️ 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 3 (b) class 2 (c) class 1
  28. 28.⚖️ 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 3 (b) class 2 (c) class 1
  29. 29.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  30. 30.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) near the fulcrum (c) on the fulcrum (d) far from the fulcrum
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  32. 32.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 90 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
  35. 35.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  36. 36.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) False (b) True
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  38. 38.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  39. 39.⚖️ 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 3 (b) class 1 (c) class 2
  40. 40.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 3 (c) class 1

Answer key

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

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