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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 240 · 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 hitting a cricket ball a push or a pull? (a) a push (b) a pull
  2. 2.💪 Which force is at work: pedalling a cycle? (a) muscular force (b) gravity (c) friction (d) magnetic force
  3. 3.💪 Which force is at work: an apple falls down? (a) muscular force (b) friction (c) magnetic force (d) gravity
  4. 4.💪 A box weighs 180 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  5. 5.💪 Which can a force NOT do? (a) change its shape (b) stop it moving (c) change its colour (d) start it moving
  6. 6.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  7. 7.💪 A box weighs 580 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  8. 8.💪 In a tug of war, one team pulls right with 15 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  9. 9.Which of these is caused by muscular force? (a) a magnet picks up pins (b) rain falls to the ground (c) a thrown ball comes down (d) squeezing a lemon
  10. 10.True or false: pushing a swing is a push. (a) False (b) True
  11. 11.💪 A force is a … (a) type of sound (b) unit of time (c) push or a pull (d) kind of colour
  12. 12.💪 A bag has a mass of 17 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  13. 13.💪 Two children push a box to the right, one with 65 N and the other with 5 N. What is the net (total) force on the box, in newtons?
  14. 14.True or false: drawing up a well bucket is a pull. (a) False (b) True
  15. 15.True or false: hitting a cricket ball is a pull. (a) False (b) True
  16. 16.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  17. 17.💪 In which unit do we measure force? (a) litre (L) (b) second (s) (c) newton (N) (d) metre (m)
  18. 18.True or false: plucking a mango is a push. (a) True (b) False
  19. 19.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  20. 20.💪 Which force pulls everything towards the Earth? (a) gravity (b) friction (c) magnetism (d) wind
  21. 21.True or false: kicking a football is a pull. (a) False (b) True
  22. 22.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) muscular force (c) magnetic force (d) friction
  23. 23.💪 A box weighs 130 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  24. 24.💪 Two children push a box to the right, one with 65 N and the other with 85 N. What is the net (total) force on the box, in newtons?
  25. 25.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
  26. 26.💪 In a tug of war, one team pulls left with 90 N and the other pulls right with 55 N. What is the size of the net force, in newtons?
  27. 27.💪 A cart is pulled to the right with 50 N and to the left with 45 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  28. 28.💪 A bag has a mass of 54 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  29. 29.💪 A bag has a mass of 14 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  30. 30.💪 In a tug of war, one team pulls right with 50 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
  31. 31.Which of these is caused by gravity? (a) a rolling ball slows (b) a river flows downhill (c) shoes grip the floor (d) a magnet picks up pins
  32. 32.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
  33. 33.Which of these is caused by gravity? (a) rubbing hands warms them (b) squeezing a lemon (c) rain falls to the ground (d) shoes grip the floor
  34. 34.💪 A box weighs 290 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  35. 35.True or false: pulling a cart is a push. (a) True (b) False
  36. 36.💪 Which force is at work: shoes grip the floor? (a) gravity (b) muscular force (c) magnetic force (d) friction
  37. 37.💪 Two children push a box to the right, one with 20 N and the other with 75 N. What is the net (total) force on the box, in newtons?
  38. 38.💪 Two children push a box to the right, one with 80 N and the other with 15 N. What is the net (total) force on the box, in newtons?
  39. 39.Which of these is caused by magnetic force? (a) a fridge magnet sticks (b) brakes stop a bicycle (c) a river flows downhill (d) squeezing a lemon
  40. 40.Which of these is caused by muscular force? (a) rain falls to the ground (b) rubbing hands warms them (c) lifting a school bag (d) a compass needle turns

Answer key

  1. a push
  2. muscular force
  3. gravity
  4. 18
  5. change its colour
  6. a pull
  7. 58
  8. 10
  9. squeezing a lemon
  10. True
  11. push or a pull
  12. 170
  13. 70
  14. True
  15. False
  16. a push
  17. newton (N)
  18. False
  19. a push
  20. gravity
  21. False
  22. magnetic force
  23. 13
  24. 150
  25. a pull
  26. 35
  27. to the right
  28. 540
  29. 140
  30. 40
  31. a river flows downhill
  32. a pull
  33. rain falls to the ground
  34. 29
  35. False
  36. friction
  37. 95
  38. 95
  39. a fridge magnet sticks
  40. lifting a school bag

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