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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 829 · 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) on the rock (b) near the fulcrum (c) far from the fulcrum (d) on the fulcrum
  2. 2.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  3. 3.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  4. 4.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 2 (c) class 3
  5. 5.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  6. 6.⚖️ 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
  7. 7.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  8. 8.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  10. 10.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  11. 11.⚖️ What is the pivot point of a lever called? (a) the load (b) the axle (c) the effort (d) the fulcrum
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  13. 13.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  15. 15.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  16. 16.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  17. 17.True or false: a crowbar is a class 3 lever (effort in the middle). (a) True (b) False
  18. 18.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 100 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  20. 20.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  22. 22.⚖️ 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
  23. 23.⚖️ 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 2 (c) class 1
  24. 24.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  25. 25.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the effort (d) the fulcrum
  26. 26.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  28. 28.⚖️ 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 3 (c) class 2
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 0 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  30. 30.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  31. 31.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 2 (c) class 1
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  34. 34.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the effort (d) the pulley
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  36. 36.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the axle (c) the load (d) the effort
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  38. 38.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  39. 39.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  40. 40.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True

Answer key

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

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