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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 701 · 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 3 (b) class 1 (c) class 2
  2. 2.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  3. 3.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  4. 4.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  6. 6.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the fulcrum (c) the load (d) the effort
  7. 7.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 50 cm and the load at 30 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 70 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  10. 10.True or false: your forearm is a class 2 lever (load in the middle). (a) False (b) True
  11. 11.⚖️ 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
  12. 12.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  13. 13.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  14. 14.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  15. 15.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  17. 17.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  18. 18.True or false: a seesaw is a class 3 lever (effort in the middle). (a) False (b) True
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  20. 20.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the effort (d) the axle
  21. 21.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  22. 22.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  23. 23.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  26. 26.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  27. 27.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  29. 29.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  30. 30.⚖️ 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
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  32. 32.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  33. 33.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True
  34. 34.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) nothing (c) the effort (d) the load
  35. 35.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  36. 36.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  37. 37.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2

Answer key

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

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