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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 45 · 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 bottle opener? (a) class 3 (b) class 1 (c) class 2
  2. 2.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the effort (c) the load (d) the fulcrum
  3. 3.⚖️ 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
  4. 4.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. 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 60 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  6. 6.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  7. 7.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  8. 8.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) nothing
  9. 9.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  10. 10.True or false: a lemon squeezer 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: fulcrum, effort, load. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  12. 12.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  13. 13.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) near the fulcrum (c) far from the fulcrum (d) on the rock
  14. 14.True or false: your forearm 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 30 cm, the fulcrum at 60 cm and the load at 90 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 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 2 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the axle (d) the load
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  19. 19.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the axle (d) the effort
  20. 20.⚖️ 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
  21. 21.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  22. 22.⚖️ 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
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  24. 24.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  25. 25.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  26. 26.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  27. 27.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  28. 28.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  29. 29.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  30. 30.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 3 (c) class 1
  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 80 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  32. 32.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  33. 33.⚖️ 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 3 (c) class 2
  34. 34.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  35. 35.True or false: your forearm is a class 2 lever (load in the middle). (a) False (b) True
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  38. 38.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  39. 39.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  40. 40.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2

Answer key

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

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