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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 86 · 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.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) on the rock (c) near the fulcrum (d) far from the fulcrum
  2. 2.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  3. 3.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  6. 6.True or false: a nutcracker is a class 2 lever (load in the middle). (a) True (b) False
  7. 7.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  8. 8.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 100 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  13. 13.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  14. 14.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the axle
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  16. 16.⚖️ 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 3 (b) class 1 (c) class 2
  17. 17.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  18. 18.⚖️ Which class of lever is a crowbar? (a) class 2 (b) class 3 (c) class 1
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 30 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
  20. 20.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  21. 21.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  22. 22.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 30 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  24. 24.⚖️ Which class of lever is a wheelbarrow? (a) class 2 (b) class 1 (c) class 3
  25. 25.⚖️ 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
  26. 26.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) False (b) True
  27. 27.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 3 (c) class 2
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 100 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  30. 30.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) False (b) True
  31. 31.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the axle (c) the load (d) the effort
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 110 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 110 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  34. 34.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  35. 35.⚖️ Which class of lever is a pair of scissors? (a) class 3 (b) class 2 (c) class 1
  36. 36.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  37. 37.⚖️ Which class of lever is your forearm? (a) class 2 (b) class 1 (c) class 3
  38. 38.True or false: a pair of scissors is a class 1 lever (fulcrum in the middle). (a) True (b) False
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  40. 40.⚖️ 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 1 (c) class 2

Answer key

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

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