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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 683 · 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.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  3. 3.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  4. 4.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  6. 6.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  7. 7.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  8. 8.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  9. 9.⚖️ 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
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  11. 11.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the axle (c) the load (d) the fulcrum
  12. 12.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  13. 13.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the load (c) the effort (d) the fulcrum
  14. 14.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  15. 15.True or false: a seesaw 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 20 cm, the fulcrum at 90 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  19. 19.⚖️ What is the pivot point of a lever called? (a) the effort (b) the axle (c) the fulcrum (d) the load
  20. 20.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  21. 21.⚖️ 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 1 (b) class 3 (c) class 2
  22. 22.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 3 (c) class 2
  23. 23.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  24. 24.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  25. 25.True or false: your forearm is a class 2 lever (load in the middle). (a) False (b) True
  26. 26.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) nothing (c) the effort (d) the load
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  28. 28.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  29. 29.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  30. 30.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  32. 32.⚖️ 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
  33. 33.⚖️ 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 3 (b) class 1 (c) class 2
  34. 34.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) far from the fulcrum (c) on the rock (d) near the fulcrum
  35. 35.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 40 cm and the load at 20 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 70 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
  38. 38.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  40. 40.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True

Answer key

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

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