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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 65 · 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 1 lever, what is in the middle? (a) the fulcrum (b) nothing (c) the load (d) the effort
  2. 2.⚖️ 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
  3. 3.⚖️ 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 3 (c) class 2
  4. 4.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  6. 6.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) False (b) True
  7. 7.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  8. 8.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  10. 10.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 3 (c) class 1
  11. 11.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  12. 12.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  13. 13.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) False (b) True
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  15. 15.⚖️ 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 1 (c) class 2
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  18. 18.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) False (b) True
  19. 19.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  20. 20.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  21. 21.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  22. 22.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  23. 23.⚖️ 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 1 (b) class 3 (c) class 2
  24. 24.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  25. 25.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  26. 26.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) far from the fulcrum (c) on the rock (d) on the fulcrum
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  28. 28.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 40 cm. 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 40 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  32. 32.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the fulcrum (d) the load
  33. 33.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 110 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  35. 35.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  36. 36.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the fulcrum (c) the effort (d) the load
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  38. 38.⚖️ 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 2 (c) class 3
  39. 39.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  40. 40.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2

Answer key

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

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