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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 340 · 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.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the pulley (c) the load (d) the fulcrum
  2. 2.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) far from the fulcrum (c) on the fulcrum (d) on the rock
  3. 3.⚖️ 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
  4. 4.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  5. 5.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the effort (c) the axle (d) the fulcrum
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  7. 7.⚖️ 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 1 (c) class 2
  8. 8.⚖️ 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 3 (b) class 2 (c) class 1
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  11. 11.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  12. 12.⚖️ Which class of lever is a fishing rod? (a) class 1 (b) class 3 (c) class 2
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  14. 14.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  16. 16.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  17. 17.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 1 (c) class 2
  18. 18.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 3 (c) class 1
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  20. 20.⚖️ What is the pivot point of a lever called? (a) the load (b) the axle (c) the fulcrum (d) the effort
  21. 21.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  22. 22.⚖️ 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 1 (c) class 2
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 30 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
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 90 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (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.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  28. 28.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  29. 29.⚖️ 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
  30. 30.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the load (c) the effort (d) the fulcrum
  31. 31.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  32. 32.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  33. 33.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) True (b) False
  34. 34.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  36. 36.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  40. 40.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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