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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 983 · 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 plucking a mango a push or a pull? (a) a push (b) a pull
  2. 2.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
  3. 3.True or false: pushing a swing is a pull. (a) True (b) False
  4. 4.Which of these is caused by gravity? (a) a fridge magnet sticks (b) a river flows downhill (c) squeezing a lemon (d) a magnet picks up pins
  5. 5.True or false: opening a drawer is a push. (a) True (b) False
  6. 6.💪 Which force pulls everything towards the Earth? (a) gravity (b) wind (c) magnetism (d) friction
  7. 7.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
  8. 8.💪 In which unit do we measure force? (a) second (s) (b) newton (N) (c) litre (L) (d) metre (m)
  9. 9.💪 Which can a force NOT do? (a) stop it moving (b) change its shape (c) change its colour (d) start it moving
  10. 10.Which of these is caused by friction? (a) an apple falls down (b) a magnet picks up pins (c) brakes stop a bicycle (d) rain falls to the ground
  11. 11.💪 Which force is at work: pedalling a cycle? (a) gravity (b) friction (c) magnetic force (d) muscular force
  12. 12.💪 Two children push a box to the right, one with 80 N and the other with 75 N. What is the net (total) force on the box, in newtons?
  13. 13.Which of these is caused by friction? (a) pedalling a cycle (b) a compass needle turns (c) rain falls to the ground (d) rubbing hands warms them
  14. 14.💪 Two children push a box to the right, one with 80 N and the other with 35 N. What is the net (total) force on the box, in newtons?
  15. 15.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  16. 16.Which of these is caused by friction? (a) a rolling ball slows (b) a compass needle turns (c) rain falls to the ground (d) a thrown ball comes down
  17. 17.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) gravity (c) muscular force (d) friction
  18. 18.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  19. 19.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  20. 20.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) magnetic force (c) muscular force (d) friction
  21. 21.True or false: closing a drawer is a pull. (a) False (b) True
  22. 22.Which of these is caused by muscular force? (a) a rolling ball slows (b) squeezing a lemon (c) a fridge magnet sticks (d) rain falls to the ground
  23. 23.Which of these is caused by muscular force? (a) a river flows downhill (b) lifting a school bag (c) shoes grip the floor (d) a compass needle turns
  24. 24.Which of these is caused by magnetic force? (a) a fridge magnet sticks (b) rubbing hands warms them (c) an apple falls down (d) a rolling ball slows
  25. 25.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  26. 26.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  27. 27.True or false: pushing a trolley is a push. (a) True (b) False
  28. 28.💪 A bag has a mass of 4 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  29. 29.True or false: opening a drawer is a pull. (a) False (b) True
  30. 30.💪 In a tug of war, one team pulls right with 25 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  31. 31.💪 A bag has a mass of 11 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  32. 32.💪 A bag has a mass of 58 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  33. 33.💪 Which force is at work: a river flows downhill? (a) friction (b) muscular force (c) gravity (d) magnetic force
  34. 34.💪 Which force is at work: shoes grip the floor? (a) muscular force (b) magnetic force (c) friction (d) gravity
  35. 35.True or false: pulling up your socks is a pull. (a) True (b) False
  36. 36.True or false: a tug of war is a push. (a) True (b) False
  37. 37.💪 In a tug of war, one team pulls left with 30 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
  38. 38.Which of these is caused by friction? (a) shoes grip the floor (b) a fridge magnet sticks (c) a thrown ball comes down (d) an apple falls down
  39. 39.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  40. 40.💪 Two children push a box to the right, one with 100 N and the other with 10 N. What is the net (total) force on the box, in newtons?

Answer key

  1. a pull
  2. a push
  3. False
  4. a river flows downhill
  5. False
  6. gravity
  7. a pull
  8. newton (N)
  9. change its colour
  10. brakes stop a bicycle
  11. muscular force
  12. 155
  13. rubbing hands warms them
  14. 115
  15. a push
  16. a rolling ball slows
  17. gravity
  18. a push
  19. a pull
  20. magnetic force
  21. False
  22. squeezing a lemon
  23. lifting a school bag
  24. a fridge magnet sticks
  25. a pull
  26. a push
  27. True
  28. 40
  29. True
  30. 20
  31. 110
  32. 580
  33. gravity
  34. friction
  35. True
  36. False
  37. 15
  38. shoes grip the floor
  39. a push
  40. 110

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