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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 117 · 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 30 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  2. 2.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  5. 5.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  7. 7.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  8. 8.⚖️ 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
  9. 9.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 2 (c) class 1
  10. 10.⚖️ 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 3 (c) class 1
  11. 11.⚖️ 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
  12. 12.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  13. 13.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the load (d) the fulcrum
  14. 14.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 3 (c) class 1
  15. 15.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the effort (c) the fulcrum (d) the load
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  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 80 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  18. 18.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  19. 19.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  20. 20.⚖️ What is the pivot point of a lever called? (a) the effort (b) the load (c) the axle (d) the fulcrum
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  22. 22.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  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 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  25. 25.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  26. 26.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  27. 27.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) far from the fulcrum (c) on the fulcrum (d) on the rock
  28. 28.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  29. 29.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  30. 30.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  31. 31.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  32. 32.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  33. 33.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  34. 34.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  35. 35.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  36. 36.⚖️ 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 1 (b) class 3 (c) class 2
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  38. 38.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the axle (c) the load (d) the effort
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  40. 40.True or false: a fishing rod is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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