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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 303 · 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 pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  2. 2.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  3. 3.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  4. 4.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  5. 5.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 3 (c) class 1
  6. 6.True or false: a beam balance 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 60 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  8. 8.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  9. 9.⚖️ 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
  10. 10.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  11. 11.⚖️ 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 3 (c) class 1
  12. 12.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  13. 13.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  14. 14.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 1 (c) class 3
  15. 15.⚖️ Which class of lever is a pair of kitchen tongs? (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.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 100 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
  19. 19.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) far from the fulcrum (c) near the fulcrum (d) on the rock
  20. 20.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  21. 21.⚖️ Which class of lever is a pair of tweezers? (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 10 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  24. 24.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  26. 26.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  28. 28.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  29. 29.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the load (c) the effort (d) the fulcrum
  30. 30.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 100 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
  32. 32.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  33. 33.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) nothing (c) the effort (d) the load
  34. 34.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the axle (d) the effort
  35. 35.⚖️ 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 1 (c) class 2
  36. 36.True or false: a beam balance is a class 2 lever (load in the middle). (a) False (b) True
  37. 37.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  38. 38.⚖️ 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 2 (b) class 1 (c) class 3
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 110 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  40. 40.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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