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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 558 · 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.⚖️ 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
  2. 2.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  3. 3.⚖️ 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
  4. 4.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  6. 6.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the fulcrum (c) far from the fulcrum (d) on the rock
  7. 7.⚖️ 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 2 (c) class 3
  8. 8.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  9. 9.⚖️ What is the pivot point of a lever called? (a) the axle (b) the effort (c) the load (d) the fulcrum
  10. 10.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  11. 11.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  12. 12.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the axle (d) the load
  13. 13.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  14. 14.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  16. 16.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 90 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
  18. 18.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  19. 19.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  21. 21.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  22. 22.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  23. 23.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 70 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  25. 25.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the pulley (c) the fulcrum (d) the effort
  26. 26.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) nothing
  27. 27.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  28. 28.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  31. 31.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  32. 32.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  33. 33.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  34. 34.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  35. 35.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  36. 36.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  37. 37.True or false: a pair of kitchen tongs 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 40 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  39. 39.⚖️ 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 2 (b) class 1 (c) class 3
  40. 40.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True

Answer key

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

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