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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 518 · 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.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  3. 3.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the axle
  4. 4.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  5. 5.⚖️ 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 1 (c) class 2
  6. 6.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  7. 7.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) far from the fulcrum (c) on the fulcrum (d) near the fulcrum
  8. 8.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  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 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  10. 10.True or false: a beam balance 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 50 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  12. 12.⚖️ 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
  13. 13.⚖️ 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
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  16. 16.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the load (d) the fulcrum
  17. 17.⚖️ 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 3 (c) class 2
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  19. 19.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  20. 20.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  21. 21.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  22. 22.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  23. 23.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  24. 24.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the fulcrum (d) the effort
  25. 25.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  26. 26.⚖️ 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
  27. 27.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  28. 28.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  29. 29.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the effort (c) the load (d) the fulcrum
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 100 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  31. 31.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 100 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  33. 33.⚖️ 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
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 90 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  35. 35.True or false: a nutcracker 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 40 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  37. 37.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  38. 38.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 2 (c) class 3
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  40. 40.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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