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Types of Levers Worksheet

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

Answer key

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

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