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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 145 · 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.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  2. 2.⚖️ 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
  3. 3.⚖️ 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
  4. 4.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  5. 5.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 100 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  7. 7.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  8. 8.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) the pulley
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  10. 10.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  11. 11.⚖️ 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
  12. 12.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  13. 13.True or false: a wheelbarrow 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 10 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  15. 15.⚖️ Which class of lever is a pair of kitchen tongs? (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 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  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 2 (c) class 1
  19. 19.⚖️ 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 1 (b) class 3 (c) class 2
  20. 20.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 3 (c) class 1
  21. 21.⚖️ 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
  22. 22.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 3 (c) class 2
  23. 23.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  24. 24.⚖️ 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 3 (c) class 2
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  26. 26.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  28. 28.⚖️ 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 2 (b) class 1 (c) class 3
  29. 29.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the fulcrum (d) the effort
  30. 30.⚖️ 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 2 (c) class 3
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  32. 32.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  34. 34.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 110 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  36. 36.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the fulcrum (d) the load
  37. 37.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  38. 38.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  39. 39.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  40. 40.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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