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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 892 · 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 nutcracker is a class 3 lever (effort in the middle). (a) False (b) True
  2. 2.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  3. 3.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  4. 4.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  5. 5.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the load (c) the axle (d) the effort
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 100 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  7. 7.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) nothing (c) the fulcrum (d) the effort
  8. 8.⚖️ 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
  9. 9.⚖️ Which class of lever is a nutcracker? (a) class 3 (b) class 1 (c) class 2
  10. 10.True or false: a beam balance is a class 3 lever (effort in the middle). (a) True (b) False
  11. 11.⚖️ 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 1 (b) class 2 (c) class 3
  12. 12.True or false: a bottle opener is a class 2 lever (load in the middle). (a) False (b) True
  13. 13.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  14. 14.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the fulcrum (c) the effort (d) the load
  15. 15.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  16. 16.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  18. 18.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  19. 19.⚖️ What is the pivot point of a lever called? (a) the axle (b) the effort (c) the fulcrum (d) the load
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 10 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
  22. 22.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  24. 24.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) on the fulcrum (c) far from the fulcrum (d) near the fulcrum
  25. 25.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
  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 3 (c) class 2
  27. 27.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  30. 30.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  31. 31.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  32. 32.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 30 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  34. 34.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  35. 35.⚖️ 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 3 (c) class 1
  36. 36.⚖️ 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
  37. 37.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 2 (c) class 1
  38. 38.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  40. 40.⚖️ 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

Answer key

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

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