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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 958 · 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.⚖️ 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
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 90 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  3. 3.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  4. 4.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  6. 6.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 1 (c) class 3
  7. 7.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  8. 8.⚖️ 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 3 (c) class 2
  9. 9.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  10. 10.⚖️ In a class 1 lever, what is in the middle? (a) the fulcrum (b) the load (c) nothing (d) the effort
  11. 11.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  12. 12.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  13. 13.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  14. 14.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  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 3 (c) class 1
  16. 16.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  17. 17.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. 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 30 cm, the fulcrum at 100 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  20. 20.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) True (b) False
  21. 21.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  22. 22.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the fulcrum (c) the axle (d) the effort
  23. 23.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  25. 25.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) True (b) False
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  27. 27.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  28. 28.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the load (c) the fulcrum (d) the effort
  29. 29.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False
  30. 30.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  31. 31.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 1 (c) class 3
  32. 32.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  33. 33.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  35. 35.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  36. 36.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  37. 37.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) far from the fulcrum (c) on the rock (d) on the fulcrum
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1

Answer key

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

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