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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 25 · 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.💪 Two children push a box to the right, one with 10 N and the other with 45 N. What is the net (total) force on the box, in newtons?
  2. 2.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  3. 3.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
  4. 4.💪 A cart is pulled to the right with 75 N and to the left with 80 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  5. 5.Which of these is caused by friction? (a) an apple falls down (b) lifting a school bag (c) a thrown ball comes down (d) a rolling ball slows
  6. 6.💪 Which force is at work: shoes grip the floor? (a) gravity (b) magnetic force (c) muscular force (d) friction
  7. 7.💪 Which force is at work: a fridge magnet sticks? (a) muscular force (b) magnetic force (c) gravity (d) friction
  8. 8.💪 Two children push a box to the right, one with 75 N and the other with 85 N. What is the net (total) force on the box, in newtons?
  9. 9.💪 Which force pulls everything towards the Earth? (a) wind (b) gravity (c) magnetism (d) friction
  10. 10.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) gravity (c) muscular force (d) friction
  11. 11.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  12. 12.Which of these is caused by magnetic force? (a) a river flows downhill (b) a compass needle turns (c) rain falls to the ground (d) a thrown ball comes down
  13. 13.💪 In a tug of war, one team pulls right with 85 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
  14. 14.Which of these is caused by magnetic force? (a) an apple falls down (b) a rolling ball slows (c) squeezing a lemon (d) a magnet picks up pins
  15. 15.True or false: pulling up your socks is a push. (a) False (b) True
  16. 16.💪 A cart is pulled to the right with 35 N and to the left with 35 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  17. 17.True or false: plucking a mango is a push. (a) False (b) True
  18. 18.💪 A box weighs 430 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  19. 19.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  20. 20.💪 Two children push a box to the right, one with 35 N and the other with 30 N. What is the net (total) force on the box, in newtons?
  21. 21.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  22. 22.💪 Which force is at work: a magnet picks up pins? (a) gravity (b) friction (c) magnetic force (d) muscular force
  23. 23.💪 Which force is at work: a river flows downhill? (a) friction (b) magnetic force (c) muscular force (d) gravity
  24. 24.Which of these is caused by muscular force? (a) a compass needle turns (b) a thrown ball comes down (c) lifting a school bag (d) a fridge magnet sticks
  25. 25.💪 A box weighs 60 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  26. 26.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  27. 27.💪 A bag has a mass of 23 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  28. 28.💪 Two children push a box to the right, one with 55 N and the other with 50 N. What is the net (total) force on the box, in newtons?
  29. 29.True or false: plucking a mango is a pull. (a) False (b) True
  30. 30.💪 Which force is at work: squeezing a lemon? (a) gravity (b) magnetic force (c) friction (d) muscular force
  31. 31.True or false: pulling up your socks is a pull. (a) False (b) True
  32. 32.💪 In which unit do we measure force? (a) newton (N) (b) litre (L) (c) metre (m) (d) second (s)
  33. 33.True or false: pushing a trolley is a push. (a) True (b) False
  34. 34.💪 A bag has a mass of 36 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  35. 35.Which of these is caused by friction? (a) pedalling a cycle (b) a compass needle turns (c) a thrown ball comes down (d) rubbing hands warms them
  36. 36.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
  37. 37.💪 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
  38. 38.💪 Two children push a box to the right, one with 100 N and the other with 25 N. What is the net (total) force on the box, in newtons?
  39. 39.💪 Which can a force NOT do? (a) stop it moving (b) change its colour (c) change its shape (d) start it moving
  40. 40.Which of these is caused by muscular force? (a) a magnet picks up pins (b) rubbing hands warms them (c) pedalling a cycle (d) a thrown ball comes down

Answer key

  1. 55
  2. a push
  3. a push
  4. to the left
  5. a rolling ball slows
  6. friction
  7. magnetic force
  8. 160
  9. gravity
  10. muscular force
  11. a pull
  12. a compass needle turns
  13. 65
  14. a magnet picks up pins
  15. False
  16. no net force
  17. False
  18. 43
  19. a push
  20. 65
  21. a push
  22. magnetic force
  23. gravity
  24. lifting a school bag
  25. 6
  26. a push
  27. 230
  28. 105
  29. True
  30. muscular force
  31. True
  32. newton (N)
  33. True
  34. 360
  35. rubbing hands warms them
  36. a pull
  37. to the right
  38. 125
  39. change its colour
  40. pedalling a cycle

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