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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 726 · 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 pulley (c) the effort (d) the fulcrum
  2. 2.⚖️ 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 2 (c) class 3
  3. 3.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  4. 4.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the rock (c) on the fulcrum (d) far from the fulcrum
  5. 5.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  6. 6.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  7. 7.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the load (d) the axle
  8. 8.⚖️ 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 2 (b) class 3 (c) class 1
  9. 9.⚖️ 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 3 (b) class 2 (c) class 1
  10. 10.⚖️ 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 1 (b) class 3 (c) class 2
  11. 11.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  12. 12.⚖️ 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
  13. 13.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  14. 14.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 1 (c) class 3
  15. 15.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  17. 17.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  18. 18.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 3 (c) class 2
  19. 19.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 110 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  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 broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  24. 24.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  25. 25.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  27. 27.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  29. 29.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 90 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  31. 31.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  32. 32.⚖️ What is the pivot point of a lever called? (a) the effort (b) the fulcrum (c) the axle (d) the load
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  34. 34.⚖️ 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 1 (c) class 3
  35. 35.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  37. 37.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  38. 38.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  39. 39.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1

Answer key

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

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