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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 269 · 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 0 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  2. 2.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  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 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  5. 5.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the effort (c) the fulcrum (d) the load
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  9. 9.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  11. 11.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 3 (c) class 2
  12. 12.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  13. 13.⚖️ What is the pivot point of a lever called? (a) the load (b) the axle (c) the effort (d) the fulcrum
  14. 14.⚖️ 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
  15. 15.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ 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 1 (c) class 3
  18. 18.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 2 (c) class 3
  19. 19.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  21. 21.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  22. 22.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  23. 23.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  24. 24.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) the pulley
  25. 25.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  26. 26.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  27. 27.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  28. 28.True or false: a seesaw is a class 2 lever (load in the middle). (a) False (b) True
  29. 29.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) far from the fulcrum (c) on the rock (d) on the fulcrum
  30. 30.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the effort (c) the fulcrum (d) the load
  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 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  32. 32.⚖️ 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 1 (c) class 3
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 90 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
  34. 34.⚖️ 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
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 70 cm and the load at 60 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 1 lever (fulcrum in the middle). (a) True (b) False
  37. 37.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) False (b) True
  40. 40.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True

Answer key

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

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