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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 294 · 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.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. 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 20 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 10 cm. 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 1 (b) class 3 (c) class 2
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  6. 6.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ 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 3 (b) class 2 (c) class 1
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  12. 12.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 70 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
  14. 14.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  18. 18.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  19. 19.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  20. 20.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) far from the fulcrum (c) on the rock (d) near the fulcrum
  21. 21.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  22. 22.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  23. 23.⚖️ 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
  24. 24.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  25. 25.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  26. 26.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  27. 27.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 2 (c) class 1
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  29. 29.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False
  30. 30.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the fulcrum (c) the load (d) the effort
  31. 31.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  32. 32.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  34. 34.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  35. 35.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) True (b) False
  36. 36.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  37. 37.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  38. 38.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the load (d) the effort
  39. 39.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the pulley (c) the load (d) the fulcrum
  40. 40.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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