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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 866 · 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 2 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the axle
  2. 2.⚖️ 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 2 (c) class 3
  3. 3.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  4. 4.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  5. 5.⚖️ 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 3 (b) class 2 (c) class 1
  6. 6.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  7. 7.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 3 (c) class 1
  8. 8.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) far from the fulcrum (c) on the fulcrum (d) near the fulcrum
  9. 9.⚖️ What is the pivot point of a lever called? (a) the effort (b) the fulcrum (c) the axle (d) the load
  10. 10.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  11. 11.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 3 (c) class 2
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  13. 13.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  14. 14.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  16. 16.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 3 (c) class 1
  17. 17.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 2 (c) class 1
  18. 18.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  19. 19.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  20. 20.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  21. 21.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  23. 23.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) nothing
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  25. 25.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  29. 29.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  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 3 (b) class 2 (c) class 1
  31. 31.⚖️ 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 3 (c) class 1
  32. 32.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the pulley
  33. 33.⚖️ 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 3 (c) class 2
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  35. 35.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  36. 36.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  40. 40.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True

Answer key

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

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