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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 950 · 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 60 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  2. 2.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the axle (d) the effort
  3. 3.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the effort (d) the fulcrum
  4. 4.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) False (b) True
  5. 5.⚖️ 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 2 (b) class 1 (c) class 3
  6. 6.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) False (b) True
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  8. 8.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  9. 9.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  10. 10.True or false: a fishing rod is a class 2 lever (load in the middle). (a) True (b) False
  11. 11.⚖️ 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 1 (c) class 2
  12. 12.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 2 (c) class 1
  13. 13.⚖️ 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
  14. 14.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  15. 15.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  16. 16.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the fulcrum (c) the load (d) the effort
  17. 17.True or false: a pair of kitchen tongs 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 10 cm, the fulcrum at 80 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  22. 22.⚖️ 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 3 (c) class 2
  23. 23.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  24. 24.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 2 (c) class 3
  25. 25.⚖️ 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
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 50 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 0 cm, the fulcrum at 40 cm and the load at 70 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 30 cm, the fulcrum at 70 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  31. 31.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  32. 32.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  33. 33.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  34. 34.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  36. 36.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  39. 39.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  40. 40.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2

Answer key

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

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