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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 487 · 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 10 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  2. 2.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  3. 3.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) near the fulcrum (c) far from the fulcrum (d) on the fulcrum
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  5. 5.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  6. 6.⚖️ 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 1 (c) class 2
  7. 7.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the load (c) nothing (d) the fulcrum
  8. 8.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  9. 9.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  10. 10.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  11. 11.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the axle (d) the effort
  12. 12.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  13. 13.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  14. 14.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  15. 15.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the effort (d) the fulcrum
  16. 16.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 2 (c) class 3
  17. 17.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 3 (c) class 1
  18. 18.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  19. 19.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  20. 20.⚖️ 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 2 (c) class 1
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  22. 22.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  23. 23.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  25. 25.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  26. 26.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) the pulley
  27. 27.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  29. 29.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  32. 32.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 100 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  38. 38.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  39. 39.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  40. 40.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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