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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 344 · 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 broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  2. 2.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  3. 3.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 90 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  6. 6.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 2 (c) class 1
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 70 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  9. 9.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  11. 11.⚖️ 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 3 (c) class 2
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  13. 13.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  14. 14.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the axle (c) the load (d) the effort
  15. 15.True or false: a fishing rod is a class 2 lever (load in the middle). (a) True (b) False
  16. 16.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  17. 17.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the load (c) the effort (d) the fulcrum
  18. 18.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) near the fulcrum (c) far from the fulcrum (d) on the rock
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  21. 21.⚖️ 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 3 (c) class 1
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  23. 23.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  25. 25.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  26. 26.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the effort (c) nothing (d) the load
  27. 27.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  29. 29.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  30. 30.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  31. 31.⚖️ 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
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 100 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  35. 35.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  37. 37.⚖️ 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 2 (c) class 1
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 110 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  39. 39.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  40. 40.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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