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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 121 · 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 0 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 90 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
  3. 3.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  4. 4.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  5. 5.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  6. 6.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  7. 7.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the pulley (d) the effort
  8. 8.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  9. 9.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the fulcrum (d) the effort
  10. 10.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  11. 11.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  12. 12.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  14. 14.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the axle (d) the load
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  16. 16.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 80 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  18. 18.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  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 2 (b) class 1 (c) class 3
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  21. 21.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  23. 23.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  25. 25.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  26. 26.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) on the rock (c) near the fulcrum (d) far from the fulcrum
  27. 27.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  28. 28.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  29. 29.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  30. 30.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  31. 31.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  32. 32.⚖️ 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 3 (c) class 2
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  35. 35.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the fulcrum (c) nothing (d) the load
  36. 36.⚖️ 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
  37. 37.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  39. 39.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 2 (c) class 3
  40. 40.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False

Answer key

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

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