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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 469 · 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 lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  2. 2.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  3. 3.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  4. 4.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  5. 5.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  6. 6.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  7. 7.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the load (d) the effort
  8. 8.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  11. 11.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  12. 12.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  13. 13.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  14. 14.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  15. 15.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  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.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  19. 19.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  20. 20.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  22. 22.True or false: a seesaw is a class 3 lever (effort in the middle). (a) False (b) True
  23. 23.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 100 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  25. 25.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the load (c) the pulley (d) the fulcrum
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 100 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  27. 27.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) nothing (d) the effort
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  30. 30.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  32. 32.⚖️ 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
  33. 33.⚖️ 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 3 (c) class 1
  34. 34.⚖️ 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 1 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 70 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  37. 37.True or false: a lemon squeezer 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: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 110 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  40. 40.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2

Answer key

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

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