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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 497 · 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.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) nothing
  2. 2.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  3. 3.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  5. 5.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  6. 6.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  7. 7.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  8. 8.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  9. 9.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  10. 10.⚖️ 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 3 (c) class 2
  11. 11.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  13. 13.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  16. 16.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  17. 17.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  18. 18.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  20. 20.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  21. 21.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) the pulley
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  23. 23.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  24. 24.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  25. 25.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) near the fulcrum (c) far from the fulcrum (d) on the rock
  26. 26.⚖️ 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 2 (c) class 1
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  28. 28.⚖️ 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
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  30. 30.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  31. 31.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  32. 32.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  33. 33.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  34. 34.⚖️ 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
  35. 35.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  36. 36.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  37. 37.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) the axle
  38. 38.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2

Answer key

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

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