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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 887 · 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.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  2. 2.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  3. 3.True or false: a seesaw 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 40 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  6. 6.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  8. 8.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  9. 9.⚖️ 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
  10. 10.True or false: your forearm is a class 2 lever (load in the middle). (a) False (b) True
  11. 11.True or false: a beam balance is a class 2 lever (load in the middle). (a) True (b) False
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  13. 13.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 1 (c) class 3
  14. 14.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the effort (c) the load (d) the axle
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  17. 17.⚖️ 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 2 (b) class 1 (c) class 3
  18. 18.⚖️ 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 2 (c) class 3
  19. 19.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the pulley (c) the effort (d) the load
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  21. 21.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) far from the fulcrum (c) near the fulcrum (d) on the fulcrum
  22. 22.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) nothing (d) the effort
  23. 23.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  24. 24.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 2 (c) class 3
  25. 25.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  26. 26.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  27. 27.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 3 (c) class 1
  28. 28.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  29. 29.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the fulcrum (d) the load
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  31. 31.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  32. 32.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  34. 34.⚖️ 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 2 (c) class 1
  35. 35.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  38. 38.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  39. 39.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 70 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

Answer key

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

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