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Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 796 · 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.⚖️ To lift a heavy rock with a crowbar more easily, push … (a) on the fulcrum (b) far from the fulcrum (c) near the fulcrum (d) on the rock
  2. 2.True or false: a seesaw is a class 1 lever (fulcrum in the middle). (a) True (b) False
  3. 3.True or false: a crowbar is a class 2 lever (load in the middle). (a) False (b) True
  4. 4.⚖️ Which class of lever is a pair of scissors? (a) class 2 (b) class 3 (c) class 1
  5. 5.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 20 cm and the load at 50 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  6. 6.⚖️ Which class of lever is a broom when sweeping? (a) class 2 (b) class 3 (c) class 1
  7. 7.⚖️ Going along a lever from one end to the other, the order is: effort, fulcrum, load. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 20 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
  9. 9.True or false: a pair of pliers is a class 1 lever (fulcrum in the middle). (a) False (b) True
  10. 10.⚖️ What is the pivot point of a lever called? (a) the axle (b) the load (c) the fulcrum (d) the effort
  11. 11.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1
  12. 12.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  13. 13.True or false: a crowbar is a class 1 lever (fulcrum in the middle). (a) True (b) False
  14. 14.True or false: a seesaw is a class 2 lever (load in the middle). (a) True (b) False
  15. 15.⚖️ In a class 3 lever, what is in the middle? (a) the load (b) the effort (c) the fulcrum (d) the pulley
  16. 16.True or false: a nutcracker is a class 2 lever (load in the middle). (a) False (b) True
  17. 17.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 70 cm and the load at 0 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 70 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
  19. 19.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 60 cm and the load at 80 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  20. 20.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 2 (b) class 1 (c) class 3
  21. 21.⚖️ Along a straight bar, measured from the left end, the effort is at 80 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
  22. 22.⚖️ Which class of lever is a fishing rod? (a) class 2 (b) class 3 (c) class 1
  23. 23.⚖️ Which class of lever is a pair of pliers? (a) class 3 (b) class 2 (c) class 1
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  25. 25.True or false: a lemon squeezer is a class 3 lever (effort in the middle). (a) True (b) False
  26. 26.True or false: a crowbar is a class 3 lever (effort in the middle). (a) False (b) True
  27. 27.⚖️ 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 2 (b) class 1 (c) class 3
  28. 28.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 0 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  29. 29.⚖️ In a class 2 lever, what is in the middle? (a) the axle (b) the load (c) the effort (d) the fulcrum
  30. 30.⚖️ 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 3 (b) class 1 (c) class 2
  31. 31.True or false: a pair of kitchen tongs is a class 2 lever (load in the middle). (a) True (b) False
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 30 cm and the load at 80 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  33. 33.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) False (b) True
  34. 34.⚖️ Which class of lever is a seesaw? (a) class 3 (b) class 2 (c) class 1
  35. 35.⚖️ Which class of lever is a bottle opener? (a) class 3 (b) class 2 (c) class 1
  36. 36.⚖️ 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
  37. 37.⚖️ 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 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 0 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  39. 39.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  40. 40.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 40 cm and the load at 70 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2

Answer key

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

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