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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 228 · 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 10 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  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 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  4. 4.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  5. 5.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the fulcrum (d) the axle
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  7. 7.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  9. 9.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  11. 11.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) False (b) True
  12. 12.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  13. 13.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 2 (c) class 3
  14. 14.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  15. 15.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  16. 16.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  19. 19.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) False (b) True
  20. 20.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  21. 21.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  22. 22.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  23. 23.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 100 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  26. 26.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  27. 27.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 30 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
  29. 29.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 3 (c) class 2
  30. 30.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  31. 31.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the pulley
  32. 32.⚖️ 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 3 (b) class 1 (c) class 2
  33. 33.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  34. 34.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the fulcrum (c) the load (d) the effort
  35. 35.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  36. 36.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) on the fulcrum (c) near the fulcrum (d) far from the fulcrum
  37. 37.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  38. 38.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  39. 39.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  40. 40.⚖️ 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

Answer key

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

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