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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 799 · 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 pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  2. 2.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the rock (c) on the fulcrum (d) near the fulcrum
  3. 3.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  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 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  5. 5.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  6. 6.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  7. 7.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  8. 8.⚖️ 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
  9. 9.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  10. 10.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  12. 12.⚖️ What is the pivot point of a lever called? (a) the axle (b) the effort (c) the fulcrum (d) the load
  13. 13.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  14. 14.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 110 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  16. 16.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  18. 18.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  19. 19.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  21. 21.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  22. 22.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  23. 23.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  24. 24.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  25. 25.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  26. 26.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  27. 27.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  29. 29.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  30. 30.⚖️ 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 1 (c) class 3
  31. 31.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  33. 33.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the load (d) the fulcrum
  34. 34.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  35. 35.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  37. 37.True or false: a broom when sweeping 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 70 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ 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
  40. 40.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2

Answer key

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

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