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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 7 · 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.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the pulley
  2. 2.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  3. 3.⚖️ 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 1 (c) class 2
  4. 4.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the load (c) nothing (d) the fulcrum
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  6. 6.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) False (b) True
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 90 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  8. 8.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the axle (d) the load
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  10. 10.⚖️ 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
  11. 11.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  12. 12.⚖️ 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 3 (b) class 1 (c) class 2
  13. 13.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  14. 14.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  15. 15.⚖️ What is the pivot point of a lever called? (a) the load (b) the fulcrum (c) the effort (d) the axle
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  17. 17.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  18. 18.⚖️ 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
  19. 19.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  20. 20.⚖️ 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
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  22. 22.⚖️ 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
  23. 23.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  24. 24.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  25. 25.True or false: a seesaw is a class 3 lever (effort 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.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the fulcrum (c) near the fulcrum (d) on the rock
  28. 28.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. 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 40 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  30. 30.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 2 (c) class 1
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  32. 32.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  35. 35.⚖️ 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 3 (b) class 1 (c) class 2
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  37. 37.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  40. 40.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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