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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 838 · 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 lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  2. 2.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  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 1 (b) class 2 (c) class 3
  4. 4.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  5. 5.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 2 (c) class 1
  6. 6.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 110 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
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  9. 9.⚖️ 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
  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 1 (b) class 3 (c) class 2
  11. 11.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  12. 12.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  13. 13.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  15. 15.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  16. 16.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  17. 17.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  18. 18.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the load (c) the pulley (d) the fulcrum
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  21. 21.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  22. 22.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the effort (d) the fulcrum
  23. 23.⚖️ 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 3 (b) class 2 (c) class 1
  24. 24.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  25. 25.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 3 (c) class 1
  26. 26.⚖️ 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
  27. 27.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) False (b) True
  28. 28.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) False (b) True
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  30. 30.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  32. 32.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  33. 33.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  34. 34.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  37. 37.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the load (d) nothing
  38. 38.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) True (b) False
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 20 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 50 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2

Answer key

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

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