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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 480 · 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.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the rock (c) on the fulcrum (d) near the fulcrum
  2. 2.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  3. 3.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  4. 4.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 1 (c) class 2
  5. 5.⚖️ 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
  6. 6.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  7. 7.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 2 (c) class 3
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  9. 9.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  11. 11.⚖️ 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 2 (b) class 1 (c) class 3
  12. 12.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the axle (c) the load (d) the effort
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 90 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
  14. 14.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the axle (c) the effort (d) the load
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  16. 16.True or false: a broom when sweeping 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 0 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  18. 18.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) True (b) False
  19. 19.⚖️ 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
  20. 20.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  22. 22.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  24. 24.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  25. 25.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  26. 26.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the load (d) the fulcrum
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 70 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  28. 28.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 3 (c) class 2
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  30. 30.⚖️ 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 2 (c) class 3
  31. 31.⚖️ 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 3 (b) class 1 (c) class 2
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  33. 33.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  34. 34.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  35. 35.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  36. 36.True or false: a crowbar is a class 2 lever (load in the middle). (a) True (b) False
  37. 37.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  39. 39.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the pulley
  40. 40.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True

Answer key

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

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