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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 130 · 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.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  2. 2.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the axle (c) the effort (d) the load
  3. 3.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  4. 4.⚖️ 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
  5. 5.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) far from the fulcrum (c) on the rock (d) on the fulcrum
  6. 6.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  7. 7.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  10. 10.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  11. 11.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  12. 12.⚖️ 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
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  14. 14.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  15. 15.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  16. 16.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  17. 17.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  18. 18.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 3 (c) class 1
  19. 19.⚖️ 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 1 (b) class 3 (c) class 2
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  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 10 cm, the fulcrum at 30 cm and the load at 40 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 40 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  24. 24.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  26. 26.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  27. 27.⚖️ Which class of lever is a pair of scissors? (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 40 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  29. 29.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  30. 30.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  31. 31.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  32. 32.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  33. 33.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the pulley (d) the effort
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  35. 35.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  36. 36.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  37. 37.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) nothing
  38. 38.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  39. 39.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  40. 40.True or false: a fishing rod is a class 2 lever (load in the middle). (a) True (b) False

Answer key

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

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