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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 432 · 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 scissors is a class 3 lever (effort in the middle). (a) False (b) True
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  3. 3.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  4. 4.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  5. 5.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  7. 7.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the pulley (c) the load (d) the fulcrum
  8. 8.⚖️ What is the pivot point of a lever called? (a) the effort (b) the load (c) the axle (d) the fulcrum
  9. 9.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  10. 10.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  11. 11.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  12. 12.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  13. 13.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  15. 15.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the axle (c) the fulcrum (d) the effort
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 90 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  18. 18.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  20. 20.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  21. 21.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  22. 22.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the fulcrum (d) the load
  23. 23.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  24. 24.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) False (b) True
  25. 25.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 2 (c) class 1
  26. 26.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  27. 27.⚖️ 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 1 (b) class 2 (c) class 3
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 40 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 0 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  33. 33.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  34. 34.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  35. 35.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  36. 36.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) far from the fulcrum (c) on the fulcrum (d) on the rock
  37. 37.⚖️ 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 2 (b) class 1 (c) class 3
  38. 38.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) False (b) True
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  40. 40.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1

Answer key

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

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