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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 383 · 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 1 lever (fulcrum in the middle). (a) True (b) False
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 90 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  3. 3.⚖️ Which class of lever is a bottle opener? (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 10 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  5. 5.⚖️ 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 3 (c) class 1
  6. 6.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  7. 7.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  8. 8.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  9. 9.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  10. 10.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) nothing (c) the load (d) the effort
  11. 11.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  13. 13.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  14. 14.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  15. 15.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  16. 16.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the pulley
  17. 17.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  18. 18.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the axle (d) the load
  19. 19.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  21. 21.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the fulcrum (d) the effort
  22. 22.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  25. 25.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  27. 27.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False
  28. 28.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 3 (c) class 2
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  30. 30.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  32. 32.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  33. 33.⚖️ 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 1 (b) class 2 (c) class 3
  34. 34.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  35. 35.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 3 (c) class 1
  36. 36.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  37. 37.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) on the fulcrum (c) far from the fulcrum (d) near the fulcrum
  38. 38.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  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 20 cm, the fulcrum at 60 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1

Answer key

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

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