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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 343 · 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 seesaw is a class 2 lever (load in the middle). (a) True (b) False
  2. 2.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  5. 5.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the effort (d) the axle
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  7. 7.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) near the fulcrum (c) on the fulcrum (d) far from the fulcrum
  8. 8.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the axle
  9. 9.⚖️ 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 2 (b) class 3 (c) class 1
  10. 10.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  12. 12.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 1 (c) class 2
  13. 13.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  14. 14.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  15. 15.⚖️ 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 3 (c) class 1
  16. 16.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  17. 17.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 3 (c) class 2
  18. 18.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 90 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
  21. 21.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  22. 22.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 90 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  25. 25.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  26. 26.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  27. 27.⚖️ 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
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 90 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  30. 30.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the pulley
  31. 31.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  32. 32.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) nothing (d) the effort
  33. 33.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  34. 34.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  37. 37.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  39. 39.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 100 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2

Answer key

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

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