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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 24 · 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.⚖️ 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 1 (c) class 3
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  3. 3.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  4. 4.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  5. 5.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  7. 7.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) near the fulcrum (c) on the rock (d) on the fulcrum
  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 2 (b) class 3 (c) class 1
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  10. 10.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 2 (c) class 3
  11. 11.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the fulcrum (c) the load (d) the effort
  12. 12.⚖️ 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 3 (b) class 1 (c) class 2
  13. 13.⚖️ 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 1 (c) class 3
  14. 14.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 0 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
  17. 17.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  18. 18.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  19. 19.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  20. 20.True or false: a nutcracker 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 70 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
  22. 22.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 40 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
  26. 26.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  27. 27.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) False (b) True
  28. 28.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  30. 30.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  31. 31.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the fulcrum (d) the effort
  32. 32.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  33. 33.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  35. 35.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  36. 36.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  37. 37.⚖️ 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
  38. 38.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 80 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3

Answer key

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

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