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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 766 · 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 40 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  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.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  4. 4.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  5. 5.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) nothing
  6. 6.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 3 (c) class 1
  7. 7.⚖️ 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
  8. 8.⚖️ 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 1 (c) class 2
  9. 9.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 1 (c) class 3
  10. 10.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  11. 11.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 2 (c) class 3
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  13. 13.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  14. 14.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 1 (c) class 2
  15. 15.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  17. 17.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  18. 18.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  19. 19.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  21. 21.⚖️ 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
  22. 22.⚖️ 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 2 (b) class 1 (c) class 3
  23. 23.⚖️ Which class of lever is a lemon squeezer? (a) class 1 (b) class 3 (c) class 2
  24. 24.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the effort (c) the pulley (d) the fulcrum
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  26. 26.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  27. 27.⚖️ 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
  28. 28.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 2 (c) class 1
  29. 29.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  30. 30.⚖️ 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 3 (b) class 2 (c) class 1
  31. 31.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the effort (c) the axle (d) the load
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  33. 33.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  34. 34.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 50 cm and the load at 10 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 20 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  38. 38.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  40. 40.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True

Answer key

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

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