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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 185 · 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 3 lever (effort in the middle). (a) True (b) False
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  4. 4.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  5. 5.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the pulley (d) the effort
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  7. 7.⚖️ What is the pivot point of a lever called? (a) the load (b) the axle (c) the fulcrum (d) the effort
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 90 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  11. 11.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) nothing (c) the load (d) the effort
  12. 12.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  13. 13.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 2 (c) class 3
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  16. 16.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  18. 18.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) True (b) False
  19. 19.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  20. 20.⚖️ 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 1 (b) class 2 (c) class 3
  21. 21.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  23. 23.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  25. 25.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
  26. 26.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  27. 27.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  28. 28.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the fulcrum (c) on the rock (d) far from the fulcrum
  29. 29.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 2 (c) class 3
  30. 30.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  33. 33.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False
  34. 34.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  35. 35.⚖️ 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 3 (c) class 2
  36. 36.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  37. 37.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ 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 2 (c) class 3
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1

Answer key

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

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