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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 478 · 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 pushing a trolley a push or a pull? (a) a pull (b) a push
  2. 2.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
  3. 3.Which of these is caused by gravity? (a) a compass needle turns (b) a thrown ball comes down (c) lifting a school bag (d) a rolling ball slows
  4. 4.Which of these is caused by gravity? (a) squeezing a lemon (b) pedalling a cycle (c) a river flows downhill (d) shoes grip the floor
  5. 5.True or false: a tug of war is a pull. (a) True (b) False
  6. 6.💪 A force is a … (a) unit of time (b) kind of colour (c) push or a pull (d) type of sound
  7. 7.💪 A cart is pulled to the right with 85 N and to the left with 90 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  8. 8.💪 A cart is pulled to the right with 45 N and to the left with 35 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  9. 9.True or false: pressing a doorbell is a pull. (a) False (b) True
  10. 10.💪 A box weighs 250 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  11. 11.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) muscular force (c) magnetic force (d) friction
  12. 12.💪 Two children push a box to the right, one with 95 N and the other with 10 N. What is the net (total) force on the box, in newtons?
  13. 13.Which of these is caused by muscular force? (a) a thrown ball comes down (b) lifting a school bag (c) brakes stop a bicycle (d) shoes grip the floor
  14. 14.💪 Which force is at work: an apple falls down? (a) muscular force (b) gravity (c) friction (d) magnetic force
  15. 15.Which of these is caused by friction? (a) a rolling ball slows (b) a fridge magnet sticks (c) lifting a school bag (d) rain falls to the ground
  16. 16.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
  17. 17.💪 A bag has a mass of 35 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  18. 18.Which of these is caused by gravity? (a) a magnet picks up pins (b) a fridge magnet sticks (c) lifting a school bag (d) rain falls to the ground
  19. 19.💪 Which force pulls everything towards the Earth? (a) friction (b) magnetism (c) gravity (d) wind
  20. 20.💪 In a tug of war, one team pulls right with 30 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
  21. 21.True or false: a tug of war is a push. (a) False (b) True
  22. 22.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  23. 23.💪 A box weighs 50 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  24. 24.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  25. 25.💪 A bag has a mass of 41 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  26. 26.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
  27. 27.True or false: kicking a football is a pull. (a) False (b) True
  28. 28.💪 In a tug of war, one team pulls right with 35 N and the other pulls left with 30 N. What is the size of the net force, in newtons?
  29. 29.💪 Which force is at work: a river flows downhill? (a) friction (b) gravity (c) magnetic force (d) muscular force
  30. 30.💪 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?
  31. 31.💪 Which can a force NOT do? (a) change its shape (b) stop it moving (c) change its colour (d) start it moving
  32. 32.💪 Which force is at work: a rolling ball slows? (a) muscular force (b) magnetic force (c) friction (d) gravity
  33. 33.True or false: hitting a cricket ball is a push. (a) True (b) False
  34. 34.True or false: pulling a cart is a pull. (a) False (b) True
  35. 35.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  36. 36.💪 Which force is at work: squeezing a lemon? (a) friction (b) magnetic force (c) gravity (d) muscular force
  37. 37.True or false: plucking a mango is a push. (a) True (b) False
  38. 38.💪 A cart is pulled to the right with 55 N and to the left with 50 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
  39. 39.💪 Which force is at work: pedalling a cycle? (a) friction (b) muscular force (c) gravity (d) magnetic force
  40. 40.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) friction (c) muscular force (d) gravity

Answer key

  1. a push
  2. a pull
  3. a thrown ball comes down
  4. a river flows downhill
  5. True
  6. push or a pull
  7. to the left
  8. to the right
  9. False
  10. 25
  11. magnetic force
  12. 105
  13. lifting a school bag
  14. gravity
  15. a rolling ball slows
  16. a pull
  17. 350
  18. rain falls to the ground
  19. gravity
  20. 20
  21. False
  22. a pull
  23. 5
  24. a push
  25. 410
  26. a push
  27. False
  28. 5
  29. gravity
  30. 110
  31. change its colour
  32. friction
  33. True
  34. True
  35. a push
  36. muscular force
  37. False
  38. to the right
  39. muscular force
  40. friction

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