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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 437 · 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.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) True (b) False
  2. 2.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  3. 3.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  4. 4.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the load (c) the axle (d) the fulcrum
  5. 5.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  6. 6.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  7. 7.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  9. 9.⚖️ What is the pivot point of a lever called? (a) the load (b) the axle (c) the fulcrum (d) the effort
  10. 10.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 2 (c) class 3
  11. 11.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  13. 13.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  15. 15.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  16. 16.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) on the rock (c) far from the fulcrum (d) near the fulcrum
  17. 17.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the pulley (d) the effort
  18. 18.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (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 10 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  21. 21.⚖️ 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
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  23. 23.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  25. 25.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 3 (c) class 2
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  27. 27.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) False (b) True
  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 60 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, load, fulcrum. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  30. 30.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  31. 31.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  32. 32.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  33. 33.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  34. 34.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  36. 36.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  40. 40.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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