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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 318 · 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.💪 Two children push a box to the right, one with 85 N and the other with 90 N. What is the net (total) force on the box, in newtons?
  2. 2.💪 A cart is pulled to the right with 95 N and to the left with 80 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  3. 3.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
  4. 4.True or false: kicking a football is a pull. (a) False (b) True
  5. 5.💪 A cart is pulled to the right with 25 N and to the left with 15 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  6. 6.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  7. 7.💪 In a tug of war, one team pulls right with 60 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
  8. 8.💪 Which force is at work: an apple falls down? (a) muscular force (b) magnetic force (c) gravity (d) friction
  9. 9.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  10. 10.💪 Two children push a box to the right, one with 75 N and the other with 40 N. What is the net (total) force on the box, in newtons?
  11. 11.💪 A box weighs 30 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  12. 12.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  13. 13.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) doubled (c) unbalanced (d) balanced
  14. 14.True or false: drawing up a well bucket is a push. (a) False (b) True
  15. 15.True or false: pressing a doorbell is a pull. (a) True (b) False
  16. 16.💪 Which force is at work: shoes grip the floor? (a) magnetic force (b) muscular force (c) friction (d) gravity
  17. 17.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  18. 18.Which of these is caused by magnetic force? (a) squeezing a lemon (b) an apple falls down (c) a magnet picks up pins (d) a river flows downhill
  19. 19.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) friction (c) gravity (d) muscular force
  20. 20.💪 A force is a … (a) type of sound (b) push or a pull (c) unit of time (d) kind of colour
  21. 21.💪 Which force is at work: rubbing hands warms them? (a) friction (b) magnetic force (c) muscular force (d) gravity
  22. 22.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) muscular force (c) friction (d) gravity
  23. 23.💪 A bag has a mass of 9 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  24. 24.True or false: pressing a doorbell is a push. (a) False (b) True
  25. 25.True or false: plucking a mango is a pull. (a) False (b) True
  26. 26.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  27. 27.💪 A cart is pulled to the right with 100 N and to the left with 90 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  28. 28.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
  29. 29.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
  30. 30.💪 A cart is pulled to the right with 45 N and to the left with 45 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  31. 31.💪 Which force is at work: rain falls to the ground? (a) gravity (b) friction (c) muscular force (d) magnetic force
  32. 32.💪 In which unit do we measure force? (a) second (s) (b) metre (m) (c) litre (L) (d) newton (N)
  33. 33.💪 A bag has a mass of 23 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  34. 34.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  35. 35.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  36. 36.💪 Which force is at work: a fridge magnet sticks? (a) muscular force (b) magnetic force (c) friction (d) gravity
  37. 37.💪 Which force is at work: lifting a school bag? (a) friction (b) gravity (c) muscular force (d) magnetic force
  38. 38.💪 A box weighs 120 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  39. 39.True or false: hitting a cricket ball is a push. (a) False (b) True
  40. 40.True or false: a tug of war is a pull. (a) True (b) False

Answer key

  1. 175
  2. to the right
  3. a push
  4. False
  5. to the right
  6. a push
  7. 45
  8. gravity
  9. a push
  10. 115
  11. 3
  12. a pull
  13. balanced
  14. False
  15. False
  16. friction
  17. a push
  18. a magnet picks up pins
  19. muscular force
  20. push or a pull
  21. friction
  22. gravity
  23. 90
  24. True
  25. True
  26. a pull
  27. to the right
  28. a pull
  29. a pull
  30. no net force
  31. gravity
  32. newton (N)
  33. 230
  34. a push
  35. a push
  36. magnetic force
  37. muscular force
  38. 12
  39. True
  40. True

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