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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 98 · 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.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 80 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  3. 3.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  4. 4.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  5. 5.⚖️ Which class of lever is a seesaw? (a) class 2 (b) class 3 (c) class 1
  6. 6.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) True (b) False
  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 2 (b) class 1 (c) class 3
  8. 8.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  9. 9.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  10. 10.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the pulley (c) the effort (d) the fulcrum
  11. 11.⚖️ 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 1 (c) class 2
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  13. 13.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  14. 14.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  15. 15.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  16. 16.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  17. 17.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  18. 18.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ What is the pivot point of a lever called? (a) the axle (b) the effort (c) the load (d) the fulcrum
  21. 21.⚖️ 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
  22. 22.⚖️ Which class of lever is a broom when sweeping? (a) class 3 (b) class 1 (c) class 2
  23. 23.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  24. 24.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the fulcrum (c) the effort (d) the load
  25. 25.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  27. 27.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  28. 28.⚖️ 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
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 60 cm and the load at 30 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 20 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  33. 33.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  34. 34.⚖️ 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
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  36. 36.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  37. 37.⚖️ Which class of lever is a crowbar? (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 50 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  39. 39.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) True (b) False
  40. 40.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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