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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 270 · 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 70 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  2. 2.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the effort (c) the load (d) the axle
  3. 3.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  4. 4.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the rock (c) near the fulcrum (d) on the fulcrum
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 100 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  6. 6.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 90 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  8. 8.⚖️ Which class of lever is a crowbar? (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 90 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  11. 11.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  12. 12.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  13. 13.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) False (b) True
  14. 14.⚖️ 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 2 (b) class 3 (c) class 1
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  18. 18.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  20. 20.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  21. 21.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  22. 22.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 2 (c) class 1
  23. 23.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  24. 24.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  25. 25.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  26. 26.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 3 (c) class 1
  27. 27.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  28. 28.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  29. 29.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  30. 30.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  32. 32.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  34. 34.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  35. 35.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  37. 37.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  38. 38.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 90 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2

Answer key

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

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