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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 810 · 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 20 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
  2. 2.⚖️ 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
  3. 3.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the load (c) the fulcrum (d) the effort
  4. 4.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  5. 5.True or false: a wheelbarrow is a class 1 lever (fulcrum in the middle). (a) False (b) True
  6. 6.⚖️ 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 2 (c) class 1
  7. 7.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the load (c) the effort (d) the pulley
  8. 8.⚖️ 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
  9. 9.⚖️ In a class 2 lever, what is in the middle? (a) the load (b) the effort (c) the axle (d) the fulcrum
  10. 10.⚖️ Which class of lever is a pair of pliers? (a) class 2 (b) class 3 (c) class 1
  11. 11.True or false: a pair of kitchen tongs is a class 3 lever (effort in the middle). (a) True (b) False
  12. 12.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  13. 13.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 1 (c) class 3
  14. 14.⚖️ Which class of lever is a pair of tweezers? (a) class 1 (b) class 2 (c) class 3
  15. 15.⚖️ Which class of lever is a bottle opener? (a) class 2 (b) class 3 (c) class 1
  16. 16.⚖️ 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 1 (b) class 2 (c) class 3
  17. 17.True or false: a seesaw is a class 2 lever (load in the middle). (a) False (b) True
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 50 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 80 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  20. 20.⚖️ 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
  21. 21.True or false: a pair of tweezers is a class 3 lever (effort in the middle). (a) False (b) True
  22. 22.⚖️ What is the pivot point of a lever called? (a) the fulcrum (b) the load (c) the axle (d) the effort
  23. 23.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  24. 24.True or false: a pair of pliers is a class 2 lever (load in the middle). (a) True (b) False
  25. 25.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  26. 26.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  27. 27.⚖️ Which class of lever is a wheelbarrow? (a) class 1 (b) class 3 (c) class 2
  28. 28.⚖️ Which class of lever is a crowbar? (a) class 3 (b) class 2 (c) class 1
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 80 cm and the load at 0 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 0 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  31. 31.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) True (b) False
  32. 32.⚖️ 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 3 (b) class 2 (c) class 1
  33. 33.⚖️ Which class of lever is a beam balance? (a) class 3 (b) class 2 (c) class 1
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 50 cm and the load at 20 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  35. 35.True or false: a pair of scissors is a class 2 lever (load in the middle). (a) False (b) True
  36. 36.⚖️ Which class of lever is a lemon squeezer? (a) class 2 (b) class 1 (c) class 3
  37. 37.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  38. 38.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 50 cm and the load at 70 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  40. 40.True or false: a seesaw is a class 3 lever (effort in the middle). (a) True (b) False

Answer key

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

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