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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 951 · 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 40 cm, the fulcrum at 80 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  2. 2.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  3. 3.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) nothing
  4. 4.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  5. 5.⚖️ 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 1 (c) class 3
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  7. 7.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  8. 8.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) the axle
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 2 (c) class 1
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  12. 12.⚖️ 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
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  15. 15.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the rock (c) on the fulcrum (d) near the fulcrum
  16. 16.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the effort (d) the load
  17. 17.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  19. 19.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  22. 22.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 60 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 70 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  25. 25.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  26. 26.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  27. 27.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  28. 28.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  30. 30.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  32. 32.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the effort (c) the fulcrum (d) the load
  33. 33.True or false: a fishing rod is a class 2 lever (load in the middle). (a) False (b) True
  34. 34.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  35. 35.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 110 cm, the fulcrum at 30 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 20 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  39. 39.⚖️ 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 3 (b) class 2 (c) class 1
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3

Answer key

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

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