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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 123 · 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: load, effort, fulcrum. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  2. 2.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  3. 3.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  4. 4.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  5. 5.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  6. 6.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  7. 7.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the load (c) the effort (d) the fulcrum
  10. 10.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) near the fulcrum (c) on the fulcrum (d) far from the fulcrum
  11. 11.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) True (b) False
  12. 12.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  13. 13.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) nothing
  14. 14.True or false: your forearm is a class 2 lever (load in the middle). (a) False (b) True
  15. 15.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  16. 16.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  17. 17.⚖️ 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 2 (b) class 1 (c) class 3
  18. 18.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 2 (c) class 3
  19. 19.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  20. 20.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  21. 21.⚖️ 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 2 (c) class 1
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 30 cm. 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 70 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  24. 24.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  25. 25.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) False (b) True
  26. 26.⚖️ 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 1 (c) class 2
  27. 27.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  29. 29.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  30. 30.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  32. 32.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the fulcrum (d) the axle
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  35. 35.⚖️ 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
  36. 36.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  37. 37.True or false: a pair of pliers 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 40 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.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  40. 40.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1

Answer key

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

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