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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 412 · 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.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  2. 2.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  3. 3.⚖️ 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 1 (b) class 2 (c) class 3
  4. 4.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  5. 5.⚖️ 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 1 (c) class 2
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  7. 7.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  8. 8.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  11. 11.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  12. 12.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the load (c) the fulcrum (d) the effort
  13. 13.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  14. 14.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  15. 15.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  17. 17.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  18. 18.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) far from the fulcrum (c) near the fulcrum (d) on the fulcrum
  19. 19.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  20. 20.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  22. 22.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the axle (d) the fulcrum
  23. 23.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  24. 24.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  25. 25.⚖️ 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 2 (c) class 1
  26. 26.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  27. 27.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the load (c) the effort (d) the fulcrum
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 100 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  31. 31.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) nothing (d) the effort
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  33. 33.⚖️ 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
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 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 pair of pliers? (a) class 3 (b) class 1 (c) class 2
  36. 36.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  37. 37.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  38. 38.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  39. 39.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  40. 40.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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