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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 247 · 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 bottle opener is a class 3 lever (effort in the middle). (a) True (b) False
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  3. 3.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the axle
  4. 4.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the effort (c) the load (d) the axle
  5. 5.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  6. 6.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 1 (c) class 3
  7. 7.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  8. 8.⚖️ Which class of lever is a pair of tweezers? (a) class 3 (b) class 1 (c) class 2
  9. 9.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  12. 12.⚖️ Going along a lever from one end to the other, the order is: load, fulcrum, effort. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  13. 13.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  14. 14.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  15. 15.⚖️ Which class of lever is your forearm? (a) class 1 (b) class 2 (c) class 3
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 100 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  19. 19.⚖️ Which class of lever is a crowbar? (a) class 1 (b) class 2 (c) class 3
  20. 20.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 1 (b) class 3 (c) class 2
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 10 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  22. 22.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 3 (c) class 1
  23. 23.⚖️ 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 2 (b) class 1 (c) class 3
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  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 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  26. 26.True or false: a pair of pliers is a class 3 lever (effort in the middle). (a) False (b) True
  27. 27.⚖️ 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
  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 3 (b) class 1 (c) class 2
  29. 29.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  30. 30.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) False (b) True
  31. 31.True or false: a pair of scissors is a class 3 lever (effort in the middle). (a) True (b) False
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 30 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  33. 33.⚖️ Along a straight bar, measured from the left end, the effort is at 60 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
  34. 34.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) nothing (c) the load (d) the fulcrum
  35. 35.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  36. 36.⚖️ 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 3 (b) class 2 (c) class 1
  37. 37.⚖️ 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 2 (c) class 3
  38. 38.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) far from the fulcrum (b) on the fulcrum (c) near the fulcrum (d) on the rock
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  40. 40.True or false: a nutcracker is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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