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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 785 · 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.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 30 cm and the load at 110 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  2. 2.⚖️ In a class 1 lever, what is in the middle? (a) the effort (b) the fulcrum (c) nothing (d) the load
  3. 3.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  5. 5.⚖️ 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
  6. 6.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 20 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  8. 8.True or false: a fishing rod is a class 1 lever (fulcrum in the middle). (a) True (b) False
  9. 9.⚖️ Which class of lever is a broom when sweeping? (a) class 1 (b) class 3 (c) class 2
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 10 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  11. 11.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) False (b) True
  12. 12.⚖️ What is the pivot point of a lever called? (a) the axle (b) the fulcrum (c) the load (d) the effort
  13. 13.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) near the fulcrum (b) far from the fulcrum (c) on the fulcrum (d) on the rock
  14. 14.⚖️ Which class of lever is a nutcracker? (a) class 1 (b) class 3 (c) class 2
  15. 15.⚖️ Which class of lever is your forearm? (a) class 3 (b) class 1 (c) class 2
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 90 cm, the fulcrum at 30 cm and the load at 70 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, load, fulcrum. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  18. 18.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  19. 19.⚖️ 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
  20. 20.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the pulley
  21. 21.⚖️ Which class of lever is a pair of kitchen tongs? (a) class 2 (b) class 1 (c) class 3
  22. 22.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 2 (c) class 3
  23. 23.True or false: a pair of tweezers is a class 1 lever (fulcrum in the middle). (a) True (b) False
  24. 24.True or false: a bottle opener is a class 1 lever (fulcrum in the middle). (a) False (b) True
  25. 25.True or false: your forearm is a class 2 lever (load in the middle). (a) True (b) False
  26. 26.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  27. 27.⚖️ 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 3 (c) class 2
  28. 28.⚖️ Which class of lever is a pair of scissors? (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 40 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 90 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  31. 31.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) True (b) False
  32. 32.⚖️ Which class of lever is a seesaw? (a) class 1 (b) class 2 (c) class 3
  33. 33.⚖️ 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 1 (b) class 2 (c) class 3
  34. 34.⚖️ Going along a lever from one end to the other, the order is: load, effort, fulcrum. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  35. 35.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 1 (c) class 3
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 60 cm, the fulcrum at 10 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  37. 37.⚖️ Which class of lever is a bottle opener? (a) class 1 (b) class 2 (c) class 3
  38. 38.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  40. 40.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True

Answer key

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

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