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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 592 · 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 70 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  2. 2.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  3. 3.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the fulcrum (d) the effort
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  5. 5.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  7. 7.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  8. 8.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) False (b) True
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  11. 11.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 100 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  13. 13.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  15. 15.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  16. 16.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  17. 17.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  18. 18.⚖️ 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 2 (b) class 1 (c) class 3
  19. 19.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 2 (c) class 1
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 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: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  22. 22.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the rock (c) near the fulcrum (d) on the fulcrum
  23. 23.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 2 (c) class 1
  24. 24.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 3 (c) class 1
  25. 25.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  26. 26.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the fulcrum (c) the effort (d) the load
  27. 27.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  28. 28.⚖️ 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 2 (c) class 1
  29. 29.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  30. 30.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False
  31. 31.⚖️ Which class of lever is a beam balance? (a) class 2 (b) class 3 (c) class 1
  32. 32.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) the pulley
  33. 33.⚖️ 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 3 (c) class 1
  34. 34.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  38. 38.True or false: your forearm is a class 2 lever (load in the middle). (a) False (b) True
  39. 39.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  40. 40.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True

Answer key

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

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