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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 102 · 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.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the axle (c) the load (d) the effort
  2. 2.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  3. 3.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) on the fulcrum (c) far from the fulcrum (d) near the fulcrum
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  5. 5.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  7. 7.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  8. 8.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  9. 9.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the pulley
  10. 10.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  11. 11.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  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.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 3 (c) class 1
  15. 15.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  18. 18.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  19. 19.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 90 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  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.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  25. 25.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the axle
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  28. 28.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  29. 29.⚖️ 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
  30. 30.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  31. 31.⚖️ 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 2 (b) class 3 (c) class 1
  32. 32.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) False (b) True
  33. 33.⚖️ 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 1 (b) class 2 (c) class 3
  34. 34.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  35. 35.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  36. 36.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  37. 37.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  38. 38.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  39. 39.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  40. 40.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1

Answer key

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

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