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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 721 · 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 pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  2. 2.⚖️ 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
  3. 3.⚖️ 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 3 (b) class 2 (c) class 1
  4. 4.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 1 (c) class 3
  5. 5.⚖️ In a class 2 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) the axle
  6. 6.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 1 (c) class 2
  7. 7.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the rock (b) on the fulcrum (c) near the fulcrum (d) far from the fulcrum
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 100 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  10. 10.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  11. 11.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 3 (c) class 2
  12. 12.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  13. 13.⚖️ 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 1 (b) class 2 (c) class 3
  14. 14.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  15. 15.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the load (d) nothing
  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 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  18. 18.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  19. 19.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 110 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  22. 22.⚖️ 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 2 (b) class 3 (c) class 1
  23. 23.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the effort (d) the fulcrum
  24. 24.True or false: a seesaw is a class 2 lever (load in the middle). (a) False (b) True
  25. 25.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  26. 26.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 3 (c) class 2
  27. 27.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  28. 28.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  29. 29.True or false: a beam balance is a class 3 lever (effort in the middle). (a) False (b) True
  30. 30.⚖️ 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 2 (c) class 3
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 40 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  32. 32.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  33. 33.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 3 (c) class 2
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  35. 35.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  37. 37.⚖️ In a class 3 lever, what is in the middle? (a) the effort (b) the fulcrum (c) the pulley (d) the load
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 90 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  39. 39.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 3 (c) class 1
  40. 40.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3

Answer key

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

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