← Types of levers lesson New set →

Types of Levers Worksheet

Engineering lesson 12: Types of levers · Set 642 · 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.

NameDateTime takenScore ___ / 40
  1. 1.True or false: a lemon squeezer is a class 2 lever (load in the middle). (a) False (b) True
  2. 2.⚖️ Along a straight bar, measured from the left end, the effort is at 70 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
  3. 3.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 90 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 2 (c) class 1
  4. 4.⚖️ Which class of lever is a pair of scissors? (a) class 1 (b) class 2 (c) class 3
  5. 5.True or false: a beam balance is a class 1 lever (fulcrum in the middle). (a) True (b) False
  6. 6.⚖️ 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 1 (b) class 3 (c) class 2
  7. 7.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 10 cm and the load at 40 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  8. 8.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  9. 9.⚖️ In a class 3 lever, what is in the middle? (a) the fulcrum (b) the pulley (c) the load (d) the effort
  10. 10.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 10 cm and the load at 20 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  11. 11.⚖️ Along a straight bar, measured from the left end, the effort is at 0 cm, the fulcrum at 20 cm and the load at 10 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  12. 12.⚖️ Which class of lever is a nutcracker? (a) class 2 (b) class 1 (c) class 3
  13. 13.⚖️ In a class 1 lever, what is in the middle? (a) nothing (b) the effort (c) the load (d) the fulcrum
  14. 14.⚖️ 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 3 (c) class 1
  15. 15.True or false: a pair of tweezers is a class 2 lever (load in the middle). (a) True (b) False
  16. 16.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 20 cm and the load at 90 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  17. 17.True or false: a wheelbarrow is a class 3 lever (effort in the middle). (a) False (b) True
  18. 18.⚖️ Along a straight bar, measured from the left end, the effort is at 70 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  19. 19.True or false: a bottle opener is a class 2 lever (load in the middle). (a) True (b) False
  20. 20.True or false: a fishing rod is a class 3 lever (effort in the middle). (a) False (b) True
  21. 21.True or false: a broom when sweeping is a class 3 lever (effort in the middle). (a) True (b) False
  22. 22.⚖️ Going along a lever from one end to the other, the order is: fulcrum, effort, load. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  23. 23.True or false: your forearm is a class 3 lever (effort in the middle). (a) False (b) True
  24. 24.⚖️ Along a straight bar, measured from the left end, the effort is at 30 cm, the fulcrum at 40 cm and the load at 10 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  25. 25.⚖️ Which class of lever is a pair of pliers? (a) class 1 (b) class 3 (c) class 2
  26. 26.True or false: a broom when sweeping is a class 1 lever (fulcrum in the middle). (a) False (b) True
  27. 27.⚖️ Going along a lever from one end to the other, the order is: fulcrum, load, effort. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  28. 28.⚖️ 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
  29. 29.⚖️ Along a straight bar, measured from the left end, the effort is at 50 cm, the fulcrum at 60 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  30. 30.⚖️ Along a straight bar, measured from the left end, the effort is at 20 cm, the fulcrum at 40 cm and the load at 50 cm. Which class of lever is it? (a) class 3 (b) class 1 (c) class 2
  31. 31.⚖️ Going along a lever from one end to the other, the order is: effort, load, fulcrum. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  32. 32.⚖️ Along a straight bar, measured from the left end, the effort is at 100 cm, the fulcrum at 20 cm and the load at 60 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  33. 33.True or false: a fishing rod is a class 2 lever (load in the middle). (a) True (b) False
  34. 34.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 40 cm and the load at 60 cm. Which class of lever is it? (a) class 2 (b) class 3 (c) class 1
  35. 35.⚖️ Along a straight bar, measured from the left end, the effort is at 10 cm, the fulcrum at 30 cm and the load at 40 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  36. 36.⚖️ Along a straight bar, measured from the left end, the effort is at 40 cm, the fulcrum at 0 cm and the load at 30 cm. 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 50 cm, the fulcrum at 80 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 3 (c) class 2
  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 50 cm. 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 70 cm, the fulcrum at 110 cm and the load at 30 cm. Which class of lever is it? (a) class 1 (b) class 2 (c) class 3
  40. 40.⚖️ Which class of lever is a wheelbarrow? (a) class 3 (b) class 2 (c) class 1

Answer key

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

Free engineering lessons, practice and worksheets at talentjr.in/engineering-for-kids