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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 80 · 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.💪 In which unit do we measure force? (a) metre (m) (b) second (s) (c) newton (N) (d) litre (L)
  2. 2.💪 A bag has a mass of 10 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  3. 3.💪 Two children push a box to the right, one with 35 N and the other with 45 N. What is the net (total) force on the box, in newtons?
  4. 4.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  5. 5.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  6. 6.💪 In a tug of war, one team pulls left with 45 N and the other pulls right with 30 N. What is the size of the net force, in newtons?
  7. 7.💪 A box weighs 190 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  8. 8.True or false: pushing a trolley is a push. (a) True (b) False
  9. 9.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  10. 10.💪 Which force is at work: a magnet picks up pins? (a) gravity (b) friction (c) muscular force (d) magnetic force
  11. 11.True or false: pressing a doorbell is a pull. (a) False (b) True
  12. 12.True or false: plucking a mango is a pull. (a) True (b) False
  13. 13.Which of these is caused by friction? (a) a river flows downhill (b) a thrown ball comes down (c) shoes grip the floor (d) a fridge magnet sticks
  14. 14.True or false: pulling up your socks is a push. (a) True (b) False
  15. 15.💪 A force is a … (a) kind of colour (b) type of sound (c) push or a pull (d) unit of time
  16. 16.💪 In a tug of war, one team pulls left with 60 N and the other pulls right with 20 N. What is the size of the net force, in newtons?
  17. 17.💪 A box weighs 370 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  18. 18.Which of these is caused by muscular force? (a) shoes grip the floor (b) rubbing hands warms them (c) rain falls to the ground (d) lifting a school bag
  19. 19.Which of these is caused by gravity? (a) lifting a school bag (b) an apple falls down (c) rubbing hands warms them (d) a rolling ball slows
  20. 20.True or false: pressing a doorbell is a push. (a) False (b) True
  21. 21.💪 Which force pulls everything towards the Earth? (a) friction (b) wind (c) magnetism (d) gravity
  22. 22.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  23. 23.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  24. 24.True or false: hitting a cricket ball is a push. (a) False (b) True
  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: a tug of war is a pull. (a) False (b) True
  27. 27.💪 Two children push a box to the right, one with 25 N and the other with 45 N. What is the net (total) force on the box, in newtons?
  28. 28.True or false: pulling up your socks is a pull. (a) True (b) False
  29. 29.💪 A box weighs 540 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  30. 30.💪 In a tug of war, one team pulls right with 25 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
  31. 31.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  32. 32.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  33. 33.Which of these is caused by gravity? (a) lifting a school bag (b) rain falls to the ground (c) a compass needle turns (d) a rolling ball slows
  34. 34.Which of these is caused by magnetic force? (a) pedalling a cycle (b) a fridge magnet sticks (c) lifting a school bag (d) shoes grip the floor
  35. 35.💪 Two children push a box to the right, one with 15 N and the other with 25 N. What is the net (total) force on the box, in newtons?
  36. 36.💪 A cart is pulled to the right with 35 N and to the left with 20 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  37. 37.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  38. 38.💪 A box weighs 200 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  39. 39.💪 Which can a force NOT do? (a) change its colour (b) start it moving (c) stop it moving (d) change its shape
  40. 40.💪 Which force is at work: rain falls to the ground? (a) friction (b) muscular force (c) magnetic force (d) gravity

Answer key

  1. newton (N)
  2. 100
  3. 80
  4. a pull
  5. a push
  6. 15
  7. 19
  8. True
  9. a pull
  10. magnetic force
  11. False
  12. True
  13. shoes grip the floor
  14. False
  15. push or a pull
  16. 40
  17. 37
  18. lifting a school bag
  19. an apple falls down
  20. True
  21. gravity
  22. a pull
  23. a push
  24. True
  25. 20
  26. True
  27. 70
  28. True
  29. 54
  30. 5
  31. a push
  32. a pull
  33. rain falls to the ground
  34. a fridge magnet sticks
  35. 40
  36. to the right
  37. a pull
  38. 20
  39. change its colour
  40. gravity

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