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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 738 · 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 40 cm, the fulcrum at 10 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  3. 3.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  5. 5.⚖️ 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
  6. 6.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  10. 10.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) False (b) True
  11. 11.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  13. 13.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 90 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  15. 15.⚖️ 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 3 (c) class 2
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  17. 17.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the axle
  18. 18.⚖️ 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 1 (c) class 3
  19. 19.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  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 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  21. 21.⚖️ 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 1 (c) class 2
  22. 22.⚖️ 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 1 (b) class 2 (c) class 3
  23. 23.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  26. 26.⚖️ What is the pivot point of a lever called? (a) the load (b) the fulcrum (c) the effort (d) the axle
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  28. 28.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 1 (c) class 2
  29. 29.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  30. 30.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  31. 31.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the pulley (c) the effort (d) the load
  32. 32.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  33. 33.True or false: a seesaw is a class 2 lever (load in the middle). (a) False (b) True
  34. 34.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  35. 35.True or false: a fishing rod is a class 2 lever (load in the middle). (a) False (b) True
  36. 36.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  37. 37.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) on the rock (c) near the fulcrum (d) far from the fulcrum
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  40. 40.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) False (b) True

Answer key

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

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