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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 765 · 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 kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  3. 3.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  4. 4.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 90 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  7. 7.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  8. 8.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the pulley
  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 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ 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
  11. 11.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  12. 12.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the load (d) nothing
  13. 13.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 1 (c) class 2
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  15. 15.⚖️ 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
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  17. 17.⚖️ 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
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  19. 19.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  20. 20.True or false: a seesaw is a class 2 lever (load in the middle). (a) False (b) True
  21. 21.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  22. 22.True or false: a beam balance is a class 2 lever (load in the middle). (a) True (b) False
  23. 23.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the axle (d) the load
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 90 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  25. 25.⚖️ 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 1 (c) class 3
  26. 26.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  27. 27.⚖️ What is the pivot point of a lever called? (a) the effort (b) the axle (c) the fulcrum (d) the load
  28. 28.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  29. 29.True or false: a crowbar 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 20 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  31. 31.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  32. 32.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  35. 35.⚖️ 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
  36. 36.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  38. 38.True or false: a bottle opener is a class 2 lever (load 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 40 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  40. 40.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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