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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 106 · 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 nutcracker is a class 3 lever (effort in the middle). (a) False (b) True
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  3. 3.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the pulley (d) the effort
  4. 4.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 100 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  7. 7.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  9. 9.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) False (b) True
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  11. 11.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  12. 12.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the fulcrum (c) nothing (d) the load
  13. 13.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  14. 14.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  15. 15.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  17. 17.⚖️ 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 1 (b) class 2 (c) class 3
  18. 18.⚖️ 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 1 (c) class 2
  19. 19.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 3 (c) class 2
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  21. 21.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  22. 22.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  23. 23.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  24. 24.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  26. 26.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  27. 27.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  28. 28.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the effort (d) the load
  29. 29.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  30. 30.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 3 (c) class 2
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  32. 32.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  33. 33.⚖️ 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 1 (b) class 2 (c) class 3
  34. 34.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  35. 35.⚖️ 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 3 (b) class 2 (c) class 1
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 90 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  37. 37.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  38. 38.⚖️ 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
  39. 39.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2

Answer key

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

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