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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 131 · 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 20 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  2. 2.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  3. 3.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the fulcrum (c) the effort (d) the load
  4. 4.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  5. 5.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  10. 10.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  11. 11.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  12. 12.⚖️ 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
  13. 13.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  14. 14.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  15. 15.⚖️ What is the pivot point of a lever called? (a) the effort (b) the fulcrum (c) the axle (d) the load
  16. 16.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  17. 17.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  18. 18.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  20. 20.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  21. 21.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the load (c) the fulcrum (d) the effort
  22. 22.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  25. 25.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  27. 27.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  28. 28.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  29. 29.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 2 (c) class 3
  30. 30.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 3 (c) class 1
  31. 31.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  32. 32.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the rock (c) far from the fulcrum (d) on the fulcrum
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 100 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  36. 36.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  37. 37.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  38. 38.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1

Answer key

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

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