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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 563 · 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 pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  2. 2.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the effort (c) the load (d) the fulcrum
  3. 3.⚖️ What is the pivot point of a lever called? (a) the axle (b) the effort (c) the fulcrum (d) the load
  4. 4.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  5. 5.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  8. 8.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  9. 9.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  10. 10.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  11. 11.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the rock (c) near the fulcrum (d) on the fulcrum
  12. 12.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  14. 14.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  15. 15.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  16. 16.⚖️ 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
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  18. 18.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  19. 19.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the pulley
  20. 20.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  21. 21.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  22. 22.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  23. 23.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  24. 24.⚖️ 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
  25. 25.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 2 (c) class 1
  26. 26.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  27. 27.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the fulcrum (d) the effort
  28. 28.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  29. 29.⚖️ 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 2 (b) class 3 (c) class 1
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  31. 31.True or false: your forearm 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 70 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  34. 34.True or false: a fishing rod is a class 2 lever (load in the middle). (a) True (b) False
  35. 35.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  36. 36.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  37. 37.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  38. 38.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  39. 39.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2

Answer key

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

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