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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 926 · 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.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  2. 2.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  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.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  5. 5.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  6. 6.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  7. 7.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ 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 3 (c) class 2
  10. 10.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  11. 11.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 80 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  13. 13.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  15. 15.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the effort (c) nothing (d) the fulcrum
  16. 16.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 70 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  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 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  19. 19.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  20. 20.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  21. 21.⚖️ 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
  22. 22.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) near the fulcrum (c) on the rock (d) far from the fulcrum
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 110 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  24. 24.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  25. 25.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  26. 26.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  27. 27.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 2 (c) class 1
  28. 28.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  29. 29.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  30. 30.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  31. 31.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  32. 32.⚖️ 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
  33. 33.⚖️ What is the pivot point of a lever called? (a) the effort (b) the load (c) the fulcrum (d) the axle
  34. 34.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  35. 35.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  36. 36.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  37. 37.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the load (c) the effort (d) the fulcrum
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  40. 40.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False

Answer key

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

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