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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 179 · 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.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  2. 2.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  3. 3.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the axle (d) the fulcrum
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  7. 7.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  9. 9.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  10. 10.⚖️ 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
  11. 11.⚖️ 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
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  13. 13.⚖️ 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
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 30 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
  16. 16.⚖️ 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
  17. 17.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  18. 18.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 3 (c) class 2
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  20. 20.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  21. 21.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) the pulley
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  23. 23.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  24. 24.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  25. 25.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the axle
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  27. 27.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  28. 28.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  29. 29.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  30. 30.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  31. 31.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) True (b) False
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  33. 33.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  34. 34.⚖️ 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
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  36. 36.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the load (c) the effort (d) the fulcrum
  37. 37.True or false: a bottle opener is a class 1 lever (fulcrum 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 100 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  39. 39.⚖️ 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 3 (b) class 2 (c) class 1
  40. 40.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1

Answer key

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

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