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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 827 · 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.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
  2. 2.💪 Which force is at work: a magnet picks up pins? (a) friction (b) muscular force (c) gravity (d) magnetic force
  3. 3.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  4. 4.Which of these is caused by gravity? (a) an apple falls down (b) a fridge magnet sticks (c) a magnet picks up pins (d) shoes grip the floor
  5. 5.💪 In a tug of war, one team pulls left with 100 N and the other pulls right with 50 N. What is the size of the net force, in newtons?
  6. 6.💪 Which force is at work: a compass needle turns? (a) muscular force (b) friction (c) magnetic force (d) gravity
  7. 7.💪 A bag has a mass of 57 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  8. 8.Which of these is caused by muscular force? (a) lifting a school bag (b) rubbing hands warms them (c) a fridge magnet sticks (d) a river flows downhill
  9. 9.💪 A box weighs 190 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  10. 10.True or false: a tug of war is a push. (a) False (b) True
  11. 11.True or false: pulling up your socks is a pull. (a) True (b) False
  12. 12.💪 In which unit do we measure force? (a) litre (L) (b) newton (N) (c) metre (m) (d) second (s)
  13. 13.True or false: plucking a mango is a push. (a) True (b) False
  14. 14.💪 Two children push a box to the right, one with 5 N and the other with 15 N. What is the net (total) force on the box, in newtons?
  15. 15.Which of these is caused by friction? (a) a river flows downhill (b) shoes grip the floor (c) a thrown ball comes down (d) a magnet picks up pins
  16. 16.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
  17. 17.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  18. 18.💪 Two children push a box to the right, one with 35 N and the other with 25 N. What is the net (total) force on the box, in newtons?
  19. 19.Which of these is caused by muscular force? (a) a compass needle turns (b) a river flows downhill (c) squeezing a lemon (d) a magnet picks up pins
  20. 20.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
  21. 21.💪 Which force is at work: a river flows downhill? (a) friction (b) gravity (c) magnetic force (d) muscular force
  22. 22.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
  23. 23.💪 Which force is at work: an apple falls down? (a) magnetic force (b) gravity (c) muscular force (d) friction
  24. 24.Which of these is caused by gravity? (a) squeezing a lemon (b) lifting a school bag (c) a thrown ball comes down (d) a fridge magnet sticks
  25. 25.💪 A bag has a mass of 2 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  26. 26.True or false: plucking a mango is a pull. (a) False (b) True
  27. 27.💪 In a tug of war, one team pulls right with 75 N and the other pulls left with 30 N. What is the size of the net force, in newtons?
  28. 28.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) friction (c) muscular force (d) gravity
  29. 29.💪 A box weighs 380 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  30. 30.💪 A bag has a mass of 36 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  31. 31.True or false: hitting a cricket ball is a pull. (a) False (b) True
  32. 32.💪 Two children push a box to the right, one with 20 N and the other with 20 N. What is the net (total) force on the box, in newtons?
  33. 33.💪 In a tug of war, one team pulls right with 50 N and the other pulls left with 40 N. What is the size of the net force, in newtons?
  34. 34.💪 Which force pulls everything towards the Earth? (a) friction (b) gravity (c) magnetism (d) wind
  35. 35.True or false: pressing a doorbell is a push. (a) False (b) True
  36. 36.True or false: closing a drawer is a pull. (a) False (b) True
  37. 37.True or false: kicking a football is a push. (a) True (b) False
  38. 38.True or false: opening a drawer is a pull. (a) False (b) True
  39. 39.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
  40. 40.💪 Is kicking a football a push or a pull? (a) a pull (b) a push

Answer key

  1. a pull
  2. magnetic force
  3. a pull
  4. an apple falls down
  5. 50
  6. magnetic force
  7. 570
  8. lifting a school bag
  9. 19
  10. False
  11. True
  12. newton (N)
  13. False
  14. 20
  15. shoes grip the floor
  16. 5
  17. a push
  18. 60
  19. squeezing a lemon
  20. a push
  21. gravity
  22. a pull
  23. gravity
  24. a thrown ball comes down
  25. 20
  26. True
  27. 45
  28. friction
  29. 38
  30. 360
  31. False
  32. 40
  33. 10
  34. gravity
  35. True
  36. False
  37. True
  38. True
  39. a pull
  40. a push

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