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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 581 · 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 0 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  4. 4.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  5. 5.True or false: a pair of kitchen tongs is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.⚖️ 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
  7. 7.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) True (b) False
  8. 8.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  9. 9.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 80 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  12. 12.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  13. 13.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 1 (c) class 2
  14. 14.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  15. 15.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) False (b) True
  16. 16.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the load (c) the effort (d) the fulcrum
  17. 17.⚖️ What is the pivot point of a lever called? (a) the effort (b) the axle (c) the fulcrum (d) the load
  18. 18.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 3 (c) class 1
  19. 19.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  20. 20.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 1 (c) class 2
  21. 21.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  22. 22.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 80 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  24. 24.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) on the fulcrum (c) far from the fulcrum (d) on the rock
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  26. 26.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  27. 27.True or false: a pair of scissors 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 2 lever (load in the middle). (a) True (b) False
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  30. 30.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  31. 31.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  32. 32.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  33. 33.⚖️ 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
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  35. 35.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  36. 36.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the fulcrum (c) the pulley (d) the effort
  37. 37.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 3 (b) class 2 (c) class 1
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  39. 39.⚖️ 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 1 (c) class 3
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1

Answer key

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

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