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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 894 · 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 a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  3. 3.⚖️ 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
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 30 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
  5. 5.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the effort (d) the fulcrum
  6. 6.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  7. 7.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the rock (c) on the fulcrum (d) far from the fulcrum
  8. 8.True or false: a nutcracker is a class 2 lever (load 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 2 (c) class 3
  10. 10.⚖️ 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
  11. 11.⚖️ 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 3 (c) class 2
  12. 12.⚖️ 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
  13. 13.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  15. 15.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  16. 16.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the pulley
  17. 17.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  18. 18.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  19. 19.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the load (c) the effort (d) the fulcrum
  20. 20.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  21. 21.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  24. 24.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  28. 28.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  29. 29.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  31. 31.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the fulcrum (c) the effort (d) the load
  32. 32.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  33. 33.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False
  34. 34.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  36. 36.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  37. 37.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  38. 38.⚖️ 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 3 (b) class 2 (c) class 1
  39. 39.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  40. 40.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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