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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 224 · 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.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 2 (c) class 3
  2. 2.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  3. 3.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the axle (d) the effort
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  5. 5.⚖️ In a class 2 lever, what is in the middle? (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 80 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
  7. 7.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the fulcrum (c) far from the fulcrum (d) on the rock
  8. 8.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) True (b) False
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  10. 10.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 2 (c) class 3
  11. 11.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) False (b) True
  12. 12.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) False (b) True
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  14. 14.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) False (b) True
  15. 15.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  16. 16.⚖️ 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 2 (c) class 1
  17. 17.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  18. 18.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 3 (c) class 2
  19. 19.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False
  20. 20.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  22. 22.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  23. 23.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2
  24. 24.⚖️ 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
  25. 25.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  26. 26.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  28. 28.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 2 (c) class 3
  29. 29.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the effort (c) the load (d) the pulley
  30. 30.True or false: your forearm is a class 2 lever (load in the middle). (a) False (b) True
  31. 31.⚖️ 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
  32. 32.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 2 (c) class 3
  33. 33.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  35. 35.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  36. 36.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  39. 39.⚖️ 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 3 (b) class 1 (c) class 2
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1

Answer key

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

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