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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 634 · 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 crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  3. 3.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  4. 4.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 2 (c) class 3
  5. 5.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the fulcrum (c) near the fulcrum (d) on the rock
  6. 6.⚖️ What is the pivot point of a lever called? (a) the effort (b) the fulcrum (c) the axle (d) the load
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  8. 8.⚖️ 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 1 (c) class 3
  9. 9.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  10. 10.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  11. 11.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  12. 12.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  13. 13.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 3 (c) class 2
  14. 14.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  15. 15.⚖️ 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 3 (c) class 2
  16. 16.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  17. 17.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  18. 18.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  19. 19.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  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 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  21. 21.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  22. 22.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the load (c) nothing (d) the effort
  23. 23.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  26. 26.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False
  27. 27.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 90 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  32. 32.⚖️ 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
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  35. 35.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the axle (c) the load (d) the fulcrum
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  37. 37.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  38. 38.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 50 cm and the load at 10 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 30 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

Answer key

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

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