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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 339 · 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 fulcrum (b) the pulley (c) the effort (d) the load
  2. 2.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  3. 3.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 90 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
  5. 5.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the fulcrum (d) the axle
  6. 6.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 1 (c) class 2
  7. 7.⚖️ 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
  8. 8.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  11. 11.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  12. 12.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 3 (c) class 2
  13. 13.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  14. 14.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) on the fulcrum (c) near the fulcrum (d) far from the fulcrum
  15. 15.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  16. 16.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  17. 17.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  20. 20.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  22. 22.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  23. 23.⚖️ 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 2 (b) class 1 (c) class 3
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  25. 25.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 3 (c) class 2
  26. 26.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the load (c) nothing (d) the effort
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  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 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  29. 29.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the load (c) the axle (d) the fulcrum
  30. 30.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  33. 33.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  34. 34.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) True (b) False
  35. 35.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  36. 36.⚖️ 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 1 (c) class 2
  37. 37.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  38. 38.⚖️ 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
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1

Answer key

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

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