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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 241 · 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 50 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  2. 2.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  3. 3.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the rock (c) near the fulcrum (d) on the fulcrum
  4. 4.⚖️ 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 1 (c) class 3
  5. 5.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  6. 6.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  7. 7.⚖️ 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 1 (b) class 3 (c) class 2
  8. 8.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 3 (c) class 2
  9. 9.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  11. 11.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the axle (c) the effort (d) the load
  12. 12.⚖️ 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 3 (c) class 1
  13. 13.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  14. 14.⚖️ 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
  15. 15.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  18. 18.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) True (b) False
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 80 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  22. 22.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the effort (c) nothing (d) the fulcrum
  23. 23.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  24. 24.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  25. 25.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  26. 26.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  27. 27.⚖️ 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
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  30. 30.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  31. 31.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  32. 32.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) False (b) True
  33. 33.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  34. 34.True or false: your forearm 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 60 cm, the fulcrum at 20 cm and the load at 80 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 90 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
  37. 37.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 1 (c) class 2
  40. 40.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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