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Types of Levers Worksheet

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

Answer key

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

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