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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 891 · 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 10 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
  2. 2.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 90 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  4. 4.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  5. 5.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) near the fulcrum (c) on the fulcrum (d) on the rock
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  7. 7.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) False (b) True
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  9. 9.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) the axle
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  13. 13.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the pulley (d) the load
  14. 14.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the effort (c) the axle (d) the load
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  16. 16.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  17. 17.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  18. 18.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 3 (c) class 2
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  20. 20.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  23. 23.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the load (c) nothing (d) the fulcrum
  24. 24.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  25. 25.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  27. 27.True or false: a beam balance is a class 2 lever (load in the middle). (a) True (b) False
  28. 28.⚖️ 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 2 (c) class 3
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  30. 30.⚖️ 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
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  32. 32.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  33. 33.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  34. 34.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False
  35. 35.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 3 (c) class 2
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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 30 cm, the fulcrum at 70 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  40. 40.⚖️ 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

Answer key

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

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