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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 620 · 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 30 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  2. 2.⚖️ What is the pivot point of a lever called? (a) the load (b) the effort (c) the axle (d) the fulcrum
  3. 3.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  4. 4.⚖️ 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 1 (c) class 2
  5. 5.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) True (b) False
  6. 6.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the load (c) the fulcrum (d) the effort
  7. 7.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the fulcrum (c) the axle (d) the effort
  8. 8.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) False (b) True
  9. 9.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  10. 10.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  11. 11.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  12. 12.⚖️ 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
  13. 13.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  15. 15.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  17. 17.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  18. 18.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  19. 19.⚖️ 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
  20. 20.True or false: a pair of scissors 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 20 cm, the fulcrum at 60 cm and the load at 30 cm. 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 10 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
  23. 23.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  24. 24.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  25. 25.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  26. 26.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  27. 27.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  28. 28.⚖️ 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 3 (b) class 1 (c) class 2
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  30. 30.True or false: your forearm is a class 1 lever (fulcrum in the middle). (a) False (b) True
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  32. 32.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  33. 33.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
  34. 34.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) far from the fulcrum (c) on the rock (d) near the fulcrum
  35. 35.True or false: a beam balance is a class 2 lever (load in the middle). (a) True (b) False
  36. 36.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) False (b) True
  37. 37.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ 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
  39. 39.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  40. 40.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1

Answer key

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

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