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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 210 · 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.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) near the fulcrum (c) on the fulcrum (d) far from the fulcrum
  2. 2.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 1 (c) class 2
  3. 3.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  4. 4.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 1 (c) class 2
  5. 5.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) the axle
  6. 6.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  7. 7.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  9. 9.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  10. 10.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  11. 11.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  12. 12.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the effort (c) the load (d) the fulcrum
  13. 13.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 3 (c) class 1
  14. 14.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  15. 15.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  18. 18.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  21. 21.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  23. 23.⚖️ 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 2 (b) class 1 (c) class 3
  24. 24.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  25. 25.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  27. 27.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  28. 28.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  29. 29.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  30. 30.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  31. 31.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  33. 33.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  36. 36.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) False (b) True
  37. 37.⚖️ 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 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 40 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the fulcrum (c) the load (d) the effort
  40. 40.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 3 (c) class 1

Answer key

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

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