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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 17 · 40 questions
TalentJR

Engineer's tip (Add same way, subtract opposite): Push moves away, pull moves towards; force is measured in newtons (N). Same direction: add. Opposite directions: bigger − smaller, towards the bigger. Weight (N) ≈ mass (kg) × 10.

NameDateTime takenScore ___ / 40
  1. 1.💪 In a tug of war, one team pulls right with 95 N and the other pulls left with 50 N. What is the size of the net force, in newtons?
  2. 2.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  3. 3.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) rubbing hands warms them (c) lifting a school bag (d) a compass needle turns
  4. 4.💪 A box weighs 510 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  5. 5.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  6. 6.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
  7. 7.💪 A force is a … (a) push or a pull (b) type of sound (c) kind of colour (d) unit of time
  8. 8.💪 A bag has a mass of 18 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  9. 9.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  10. 10.💪 A cart is pulled to the right with 65 N and to the left with 75 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  11. 11.True or false: plucking a mango is a pull. (a) True (b) False
  12. 12.💪 Which force is at work: pedalling a cycle? (a) gravity (b) friction (c) muscular force (d) magnetic force
  13. 13.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
  14. 14.💪 A box weighs 590 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  15. 15.True or false: closing a drawer is a pull. (a) True (b) False
  16. 16.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) doubled (c) gravity (d) unbalanced
  17. 17.💪 In a tug of war, one team pulls right with 75 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
  18. 18.True or false: drawing up a well bucket is a push. (a) True (b) False
  19. 19.💪 Which can a force NOT do? (a) change its shape (b) change its colour (c) start it moving (d) stop it moving
  20. 20.💪 In a tug of war, one team pulls right with 15 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
  21. 21.Which of these is caused by friction? (a) a compass needle turns (b) pedalling a cycle (c) brakes stop a bicycle (d) lifting a school bag
  22. 22.True or false: pulling up your socks is a push. (a) True (b) False
  23. 23.💪 A box weighs 340 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  24. 24.True or false: a tug of war is a push. (a) True (b) False
  25. 25.💪 In a tug of war, one team pulls left with 65 N and the other pulls right with 55 N. What is the size of the net force, in newtons?
  26. 26.💪 In a tug of war, one team pulls right with 35 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
  27. 27.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  28. 28.Which of these is caused by gravity? (a) shoes grip the floor (b) a river flows downhill (c) a rolling ball slows (d) pedalling a cycle
  29. 29.Which of these is caused by friction? (a) a magnet picks up pins (b) squeezing a lemon (c) a rolling ball slows (d) an apple falls down
  30. 30.💪 A box weighs 520 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  31. 31.True or false: pressing a doorbell is a pull. (a) False (b) True
  32. 32.💪 Which force is at work: lifting a school bag? (a) magnetic force (b) gravity (c) muscular force (d) friction
  33. 33.Which of these is caused by muscular force? (a) a river flows downhill (b) a thrown ball comes down (c) a rolling ball slows (d) squeezing a lemon
  34. 34.True or false: plucking a mango is a push. (a) True (b) False
  35. 35.Which of these is caused by magnetic force? (a) a magnet picks up pins (b) a rolling ball slows (c) a river flows downhill (d) shoes grip the floor
  36. 36.True or false: pushing a swing is a pull. (a) False (b) True
  37. 37.💪 A bag has a mass of 25 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  38. 38.True or false: kicking a football is a pull. (a) True (b) False
  39. 39.True or false: pushing a trolley is a pull. (a) True (b) False
  40. 40.💪 Which force is at work: shoes grip the floor? (a) magnetic force (b) gravity (c) muscular force (d) friction

Answer key

  1. 45
  2. a pull
  3. a compass needle turns
  4. 51
  5. a push
  6. a push
  7. push or a pull
  8. 180
  9. a push
  10. to the left
  11. True
  12. muscular force
  13. a pull
  14. 59
  15. False
  16. balanced
  17. 55
  18. False
  19. change its colour
  20. 5
  21. brakes stop a bicycle
  22. False
  23. 34
  24. False
  25. 10
  26. 25
  27. a pull
  28. a river flows downhill
  29. a rolling ball slows
  30. 52
  31. False
  32. muscular force
  33. squeezing a lemon
  34. False
  35. a magnet picks up pins
  36. False
  37. 250
  38. False
  39. False
  40. friction

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