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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 809 · 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 70 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  2. 2.True or false: a seesaw is a class 2 lever (load in the middle). (a) False (b) True
  3. 3.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  4. 4.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) far from the fulcrum (c) near the fulcrum (d) on the rock
  5. 5.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  8. 8.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  11. 11.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  13. 13.⚖️ 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
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  16. 16.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  17. 17.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  20. 20.⚖️ 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 1 (b) class 3 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  22. 22.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 3 (c) class 1
  23. 23.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  24. 24.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  25. 25.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  26. 26.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  27. 27.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  28. 28.⚖️ 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
  29. 29.⚖️ 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 2 (b) class 3 (c) class 1
  30. 30.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  31. 31.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) nothing (c) the load (d) the effort
  32. 32.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the pulley
  33. 33.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  34. 34.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the axle (c) the effort (d) the load
  35. 35.⚖️ What is the pivot point of a lever called? (a) the effort (b) the axle (c) the load (d) the fulcrum
  36. 36.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  40. 40.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False

Answer key

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

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