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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 438 · 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 60 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  2. 2.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the load (d) the fulcrum
  3. 3.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  5. 5.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
  7. 7.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) far from the fulcrum (c) on the rock (d) on the fulcrum
  8. 8.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  9. 9.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 3 (c) class 2
  10. 10.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  11. 11.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  12. 12.⚖️ 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 2 (b) class 3 (c) class 1
  13. 13.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 80 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  15. 15.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 2 (c) class 3
  16. 16.True or false: a beam balance 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 20 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  18. 18.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  19. 19.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  21. 21.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the axle (c) the load (d) the fulcrum
  22. 22.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  24. 24.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum 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 10 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  26. 26.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the pulley (c) the fulcrum (d) the effort
  27. 27.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  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 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  29. 29.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  30. 30.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  31. 31.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  32. 32.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  33. 33.⚖️ 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 2 (b) class 3 (c) class 1
  34. 34.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  35. 35.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  38. 38.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  39. 39.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3

Answer key

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

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