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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 952 · 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 of these is caused by gravity? (a) shoes grip the floor (b) a thrown ball comes down (c) rubbing hands warms them (d) lifting a school bag
  2. 2.💪 Two children push a box to the right, one with 75 N and the other with 25 N. What is the net (total) force on the box, in newtons?
  3. 3.💪 A force is a … (a) kind of colour (b) unit of time (c) push or a pull (d) type of sound
  4. 4.💪 A cart is pulled to the right with 35 N and to the left with 25 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  5. 5.True or false: pushing a trolley is a push. (a) True (b) False
  6. 6.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
  7. 7.Which of these is caused by friction? (a) an apple falls down (b) shoes grip the floor (c) a magnet picks up pins (d) pedalling a cycle
  8. 8.💪 In a tug of war, one team pulls left with 15 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
  9. 9.Which of these is caused by magnetic force? (a) rain falls to the ground (b) a thrown ball comes down (c) a fridge magnet sticks (d) a river flows downhill
  10. 10.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
  11. 11.True or false: closing a drawer is a push. (a) True (b) False
  12. 12.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  13. 13.💪 A cart is pulled to the right with 50 N and to the left with 35 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  14. 14.💪 A box weighs 90 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  15. 15.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  16. 16.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  17. 17.💪 A bag has a mass of 10 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  18. 18.💪 A cart is pulled to the right with 35 N and to the left with 40 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  19. 19.True or false: plucking a mango is a push. (a) True (b) False
  20. 20.💪 Which can a force NOT do? (a) stop it moving (b) change its shape (c) start it moving (d) change its colour
  21. 21.💪 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?
  22. 22.💪 A bag has a mass of 26 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  23. 23.💪 Which force is at work: brakes stop a bicycle? (a) muscular force (b) gravity (c) friction (d) magnetic force
  24. 24.True or false: pulling up your socks is a push. (a) True (b) False
  25. 25.💪 In which unit do we measure force? (a) newton (N) (b) litre (L) (c) second (s) (d) metre (m)
  26. 26.💪 Two children push a box to the right, one with 15 N and the other with 100 N. What is the net (total) force on the box, in newtons?
  27. 27.💪 Which force pulls everything towards the Earth? (a) gravity (b) wind (c) friction (d) magnetism
  28. 28.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  29. 29.💪 In a tug of war, one team pulls left with 25 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
  30. 30.💪 A box weighs 330 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  31. 31.True or false: hitting a cricket ball is a push. (a) True (b) False
  32. 32.💪 Which force is at work: a rolling ball slows? (a) magnetic force (b) gravity (c) friction (d) muscular force
  33. 33.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  34. 34.Which of these is caused by magnetic force? (a) rain falls to the ground (b) brakes stop a bicycle (c) a compass needle turns (d) shoes grip the floor
  35. 35.💪 A cart is pulled to the right with 65 N and to the left with 80 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  36. 36.💪 Two children push a box to the right, one with 80 N and the other with 60 N. What is the net (total) force on the box, in newtons?
  37. 37.💪 Two children push a box to the right, one with 10 N and the other with 100 N. What is the net (total) force on the box, in newtons?
  38. 38.True or false: pressing a doorbell is a pull. (a) True (b) False
  39. 39.True or false: pulling up your socks is a pull. (a) True (b) False
  40. 40.💪 Is a tug of war a push or a pull? (a) a pull (b) a push

Answer key

  1. a thrown ball comes down
  2. 100
  3. push or a pull
  4. to the right
  5. True
  6. a pull
  7. shoes grip the floor
  8. 10
  9. a fridge magnet sticks
  10. a pull
  11. True
  12. a push
  13. to the right
  14. 9
  15. a push
  16. a push
  17. 100
  18. to the left
  19. False
  20. change its colour
  21. 5
  22. 260
  23. friction
  24. False
  25. newton (N)
  26. 115
  27. gravity
  28. a push
  29. 20
  30. 33
  31. True
  32. friction
  33. a push
  34. a compass needle turns
  35. to the left
  36. 140
  37. 110
  38. False
  39. True
  40. a pull

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