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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 846 · 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 axle (b) the fulcrum (c) the load (d) the effort
  2. 2.⚖️ 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 2 (c) class 1
  3. 3.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the rock (c) on the fulcrum (d) far from the fulcrum
  4. 4.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  8. 8.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the load (c) the fulcrum (d) the effort
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  10. 10.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  12. 12.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  13. 13.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  14. 14.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  15. 15.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (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 20 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  21. 21.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the load (c) nothing (d) the fulcrum
  22. 22.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  23. 23.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True
  24. 24.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the pulley (d) the effort
  25. 25.⚖️ 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 2 (c) class 1
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  27. 27.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  28. 28.⚖️ 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 3 (b) class 2 (c) class 1
  29. 29.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  30. 30.⚖️ 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 3 (c) class 1
  31. 31.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  32. 32.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  33. 33.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 3 (c) class 2
  34. 34.⚖️ 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 1 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  37. 37.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  39. 39.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  40. 40.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True

Answer key

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

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