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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 461 · 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 beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  2. 2.True or false: a beam balance 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 2 (b) class 1 (c) class 3
  4. 4.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the fulcrum (c) on the rock (d) far from the fulcrum
  5. 5.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  7. 7.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  8. 8.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 90 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  11. 11.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  12. 12.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 3 (c) class 1
  13. 13.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  14. 14.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  15. 15.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  16. 16.⚖️ 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 3 (b) class 1 (c) class 2
  17. 17.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 2 (c) class 1
  18. 18.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the load (c) the pulley (d) the fulcrum
  19. 19.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the load (c) nothing (d) the fulcrum
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  23. 23.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  24. 24.⚖️ 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
  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 90 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  26. 26.⚖️ 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
  27. 27.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  28. 28.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 3 (c) class 1
  29. 29.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  30. 30.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  32. 32.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 110 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  34. 34.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  37. 37.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 1 (c) class 3
  38. 38.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  40. 40.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the load (d) the effort

Answer key

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

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