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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 160 · 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 50 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  2. 2.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  3. 3.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 1 (c) class 2
  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 2 (b) class 1 (c) class 3
  5. 5.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the load (d) the fulcrum
  6. 6.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  7. 7.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  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 3 (b) class 2 (c) class 1
  10. 10.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  11. 11.⚖️ 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
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 30 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
  14. 14.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  15. 15.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  16. 16.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the fulcrum (d) the axle
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  18. 18.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the load (c) the fulcrum (d) the effort
  19. 19.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  21. 21.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  24. 24.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the rock (c) near the fulcrum (d) on the fulcrum
  25. 25.⚖️ 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 1 (b) class 2 (c) class 3
  26. 26.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  27. 27.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  28. 28.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) False (b) True
  29. 29.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  30. 30.⚖️ 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 2 (c) class 3
  31. 31.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  32. 32.True or false: a seesaw is a class 3 lever (effort in the middle). (a) False (b) True
  33. 33.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 3 (c) class 1
  34. 34.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  35. 35.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  36. 36.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  38. 38.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  40. 40.⚖️ 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 1 (b) class 3 (c) class 2

Answer key

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

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