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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 975 · 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 1 lever, what is in the middle? (a) the effort (b) the load (c) the fulcrum (d) nothing
  2. 2.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  3. 3.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the fulcrum (c) the effort (d) the load
  4. 4.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  6. 6.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  7. 7.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  9. 9.⚖️ 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
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  12. 12.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
  13. 13.⚖️ 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
  14. 14.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2
  15. 15.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  17. 17.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  18. 18.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) False (b) True
  19. 19.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  20. 20.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  21. 21.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  22. 22.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  24. 24.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  25. 25.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  26. 26.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the fulcrum (c) the load (d) the effort
  27. 27.⚖️ 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 3 (b) class 1 (c) class 2
  28. 28.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  29. 29.True or false: a beam balance is a class 2 lever (load in the middle). (a) True (b) False
  30. 30.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the axle (d) the fulcrum
  31. 31.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  34. 34.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  35. 35.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  39. 39.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  40. 40.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False

Answer key

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

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