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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 562 · 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.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 80 cm and the load at 50 cm. 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 0 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  4. 4.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  5. 5.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the axle (c) the load (d) the effort
  6. 6.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  7. 7.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  8. 8.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  9. 9.True or false: a nutcracker is a class 1 lever (fulcrum in the middle). (a) False (b) True
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  11. 11.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 1 (c) class 2
  12. 12.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) False (b) True
  13. 13.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) False (b) True
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 60 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  15. 15.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  16. 16.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the pulley (d) the effort
  17. 17.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  18. 18.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  19. 19.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 3 (c) class 2
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 0 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  22. 22.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  23. 23.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) False (b) True
  24. 24.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  25. 25.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 30 cm and the load at 90 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  26. 26.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  27. 27.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 1 (c) class 2
  28. 28.⚖️ 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
  29. 29.⚖️ Which class of lever is a beam balance? (a) class 1 (b) class 2 (c) class 3
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  31. 31.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the rock (c) near the fulcrum (d) on the fulcrum
  32. 32.True or false: your forearm is a class 3 lever (effort 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 1 (b) class 2 (c) class 3
  34. 34.⚖️ 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 3 (c) class 2
  35. 35.⚖️ 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
  36. 36.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  37. 37.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) True (b) False
  38. 38.⚖️ In a class 2 lever, what is in the middle? (a) the fulcrum (b) the load (c) the axle (d) the effort
  39. 39.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  40. 40.⚖️ 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 1 (b) class 3 (c) class 2

Answer key

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

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