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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 744 · 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 3 lever (effort in the middle). (a) False (b) True
  2. 2.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 1 (c) class 3
  3. 3.⚖️ 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 2 (b) class 1 (c) class 3
  4. 4.⚖️ 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
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  6. 6.True or false: a lemon squeezer is a class 1 lever (fulcrum in the middle). (a) False (b) True
  7. 7.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 1 (c) class 2
  8. 8.⚖️ Which class of lever is a lemon squeezer? (a) class 3 (b) class 1 (c) class 2
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  10. 10.⚖️ In a class 1 lever, what is in the middle? (a) the load (b) the fulcrum (c) nothing (d) the effort
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  12. 12.⚖️ What is the pivot point of a lever called? (a) the effort (b) the load (c) the fulcrum (d) the axle
  13. 13.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 2 (c) class 1
  14. 14.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 60 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  15. 15.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 2 (c) class 3
  16. 16.⚖️ Which class of lever is a pair of tweezers? (a) class 2 (b) class 1 (c) class 3
  17. 17.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  18. 18.True or false: a broom when sweeping is a class 2 lever (load in the middle). (a) False (b) True
  19. 19.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) False (b) True
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 50 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  21. 21.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  22. 22.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  23. 23.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 70 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  24. 24.⚖️ In a class 3 lever, what is in the middle? (a) the pulley (b) the load (c) the fulcrum (d) the effort
  25. 25.True or false: a bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  26. 26.True or false: a seesaw is a class 3 lever (effort in the middle). (a) False (b) True
  27. 27.True or false: your forearm is a class 3 lever (effort in the middle). (a) True (b) False
  28. 28.⚖️ 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
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 60 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  30. 30.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) True (b) False
  31. 31.⚖️ Along a straight bar, measured from the left end, the effort is at 50 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
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 20 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  33. 33.True or false: a wheelbarrow is a class 2 lever (load in the middle). (a) False (b) True
  34. 34.True or false: a pair of tweezers 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 1 (b) class 3 (c) class 2
  36. 36.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) True (b) False
  37. 37.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  38. 38.⚖️ 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
  39. 39.⚖️ Which class of lever is a fishing rod? (a) class 3 (b) class 2 (c) class 1
  40. 40.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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