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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 448 · 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.💪 Which force is at work: a thrown ball comes down? (a) friction (b) magnetic force (c) gravity (d) muscular force
  2. 2.💪 A force is a … (a) push or a pull (b) unit of time (c) type of sound (d) kind of colour
  3. 3.💪 A cart is pulled to the right with 100 N and to the left with 95 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  4. 4.💪 Which force pulls everything towards the Earth? (a) friction (b) wind (c) gravity (d) magnetism
  5. 5.💪 A cart is pulled to the right with 40 N and to the left with 50 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  6. 6.💪 A box weighs 330 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  7. 7.Which of these is caused by muscular force? (a) a magnet picks up pins (b) pedalling a cycle (c) rain falls to the ground (d) a thrown ball comes down
  8. 8.True or false: kicking a football is a pull. (a) False (b) True
  9. 9.True or false: pulling up your socks is a push. (a) True (b) False
  10. 10.True or false: pressing a doorbell is a push. (a) True (b) False
  11. 11.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) friction (c) gravity (d) magnetic force
  12. 12.True or false: a tug of war is a push. (a) True (b) False
  13. 13.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  14. 14.Which of these is caused by gravity? (a) rubbing hands warms them (b) squeezing a lemon (c) rain falls to the ground (d) a magnet picks up pins
  15. 15.💪 Two children push a box to the right, one with 100 N and the other with 75 N. What is the net (total) force on the box, in newtons?
  16. 16.💪 In a tug of war, one team pulls left with 35 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
  17. 17.💪 Two children push a box to the right, one with 15 N and the other with 55 N. What is the net (total) force on the box, in newtons?
  18. 18.💪 In a tug of war, one team pulls right with 100 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
  19. 19.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) gravity (c) balanced (d) unbalanced
  20. 20.💪 A box weighs 300 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  21. 21.💪 In which unit do we measure force? (a) second (s) (b) newton (N) (c) litre (L) (d) metre (m)
  22. 22.💪 Two children push a box to the right, one with 40 N and the other with 75 N. What is the net (total) force on the box, in newtons?
  23. 23.Which of these is caused by friction? (a) a fridge magnet sticks (b) an apple falls down (c) a rolling ball slows (d) a magnet picks up pins
  24. 24.💪 A cart is pulled to the right with 75 N and to the left with 85 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  25. 25.💪 Two children push a box to the right, one with 45 N and the other with 65 N. What is the net (total) force on the box, in newtons?
  26. 26.💪 Two children push a box to the right, one with 25 N and the other with 65 N. What is the net (total) force on the box, in newtons?
  27. 27.True or false: kicking a football is a push. (a) True (b) False
  28. 28.💪 Which force is at work: an apple falls down? (a) magnetic force (b) muscular force (c) friction (d) gravity
  29. 29.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
  30. 30.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
  31. 31.True or false: pushing a swing is a pull. (a) False (b) True
  32. 32.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
  33. 33.💪 A cart is pulled to the right with 65 N and to the left with 50 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  34. 34.💪 Two children push a box to the right, one with 75 N and the other with 10 N. What is the net (total) force on the box, in newtons?
  35. 35.Which of these is caused by friction? (a) rubbing hands warms them (b) rain falls to the ground (c) pedalling a cycle (d) a thrown ball comes down
  36. 36.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  37. 37.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  38. 38.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  39. 39.💪 Two children push a box to the right, one with 5 N and the other with 75 N. What is the net (total) force on the box, in newtons?
  40. 40.💪 A box weighs 310 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?

Answer key

  1. gravity
  2. push or a pull
  3. to the right
  4. gravity
  5. to the left
  6. 33
  7. pedalling a cycle
  8. False
  9. False
  10. True
  11. magnetic force
  12. False
  13. a push
  14. rain falls to the ground
  15. 175
  16. 20
  17. 70
  18. 85
  19. balanced
  20. 30
  21. newton (N)
  22. 115
  23. a rolling ball slows
  24. to the left
  25. 110
  26. 90
  27. True
  28. gravity
  29. a pull
  30. 10
  31. False
  32. a push
  33. to the right
  34. 85
  35. rubbing hands warms them
  36. a pull
  37. a push
  38. a pull
  39. 80
  40. 31

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