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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 187 · 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 tweezers? (a) class 2 (b) class 3 (c) class 1
  2. 2.⚖️ 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 2 (b) class 1 (c) class 3
  3. 3.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  4. 4.⚖️ 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
  5. 5.⚖️ 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 1 (c) class 3
  6. 6.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the fulcrum (c) on the rock (d) far from the fulcrum
  7. 7.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  8. 8.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  11. 11.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the pulley (d) the load
  12. 12.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the load (d) the effort
  13. 13.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  14. 14.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the effort (d) the fulcrum
  15. 15.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  16. 16.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  17. 17.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  18. 18.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  19. 19.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  20. 20.⚖️ 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 3 (c) class 1
  21. 21.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  22. 22.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  24. 24.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  25. 25.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the load (c) the axle (d) the fulcrum
  26. 26.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  30. 30.⚖️ 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 2 (c) class 1
  31. 31.⚖️ 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 2 (c) class 3
  32. 32.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  33. 33.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  34. 34.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  35. 35.⚖️ 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 1 (c) class 2
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  37. 37.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 90 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3

Answer key

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

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