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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 203 · 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.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) the pulley
  2. 2.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  4. 4.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) True (b) False
  5. 5.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  6. 6.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  8. 8.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  9. 9.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  10. 10.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  11. 11.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the load (d) the fulcrum
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  13. 13.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  15. 15.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the axle (d) the effort
  16. 16.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  17. 17.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  19. 19.⚖️ 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
  20. 20.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  21. 21.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  22. 22.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True
  23. 23.⚖️ 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 1 (c) class 3
  24. 24.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  25. 25.⚖️ 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 2 (c) class 3
  26. 26.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the effort (d) the fulcrum
  27. 27.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  28. 28.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 3 (c) class 2
  29. 29.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  31. 31.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) False (b) True
  32. 32.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  34. 34.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  35. 35.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  36. 36.True or false: a crowbar is a class 2 lever (load 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 90 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  38. 38.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  39. 39.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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

Answer key

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

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