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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 460 · 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.Which of these is caused by gravity? (a) shoes grip the floor (b) a magnet picks up pins (c) rain falls to the ground (d) a fridge magnet sticks
  2. 2.True or false: pulling up your socks is a pull. (a) False (b) True
  3. 3.True or false: closing a drawer is a push. (a) False (b) True
  4. 4.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  5. 5.💪 In a tug of war, one team pulls left with 20 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
  6. 6.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
  7. 7.Which of these is caused by magnetic force? (a) rain falls to the ground (b) a river flows downhill (c) lifting a school bag (d) a magnet picks up pins
  8. 8.💪 In a tug of war, one team pulls right with 60 N and the other pulls left with 35 N. What is the size of the net force, in newtons?
  9. 9.💪 A box weighs 190 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  10. 10.💪 A cart is pulled to the right with 60 N and to the left with 75 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  11. 11.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
  12. 12.Which of these is caused by muscular force? (a) a rolling ball slows (b) squeezing a lemon (c) brakes stop a bicycle (d) shoes grip the floor
  13. 13.💪 Which force is at work: squeezing a lemon? (a) friction (b) magnetic force (c) gravity (d) muscular force
  14. 14.True or false: pulling a cart is a push. (a) False (b) True
  15. 15.💪 Two children push a box to the right, one with 60 N and the other with 15 N. What is the net (total) force on the box, in newtons?
  16. 16.💪 Which force is at work: a fridge magnet sticks? (a) friction (b) muscular force (c) gravity (d) magnetic force
  17. 17.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  18. 18.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) gravity (c) friction (d) muscular force
  19. 19.💪 A bag has a mass of 29 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  20. 20.Which of these is caused by muscular force? (a) a fridge magnet sticks (b) a magnet picks up pins (c) a thrown ball comes down (d) lifting a school bag
  21. 21.💪 A bag has a mass of 14 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  22. 22.💪 Two children push a box to the right, one with 25 N and the other with 50 N. What is the net (total) force on the box, in newtons?
  23. 23.💪 A box weighs 550 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  24. 24.💪 A cart is pulled to the right with 45 N and to the left with 30 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  25. 25.💪 A box weighs 30 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  26. 26.Which of these is caused by gravity? (a) brakes stop a bicycle (b) lifting a school bag (c) an apple falls down (d) a magnet picks up pins
  27. 27.💪 A box weighs 500 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  28. 28.💪 A bag has a mass of 12 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  29. 29.💪 Which can a force NOT do? (a) stop it moving (b) change its colour (c) change its shape (d) start it moving
  30. 30.💪 A bag has a mass of 2 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  31. 31.💪 Which force is at work: lifting a school bag? (a) friction (b) gravity (c) muscular force (d) magnetic force
  32. 32.💪 A bag has a mass of 44 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  33. 33.💪 A force is a … (a) unit of time (b) push or a pull (c) kind of colour (d) type of sound
  34. 34.True or false: a tug of war is a pull. (a) False (b) True
  35. 35.True or false: pushing a swing is a pull. (a) False (b) True
  36. 36.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  37. 37.True or false: closing a drawer is a pull. (a) True (b) False
  38. 38.💪 Which force is at work: a river flows downhill? (a) friction (b) magnetic force (c) gravity (d) muscular force
  39. 39.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  40. 40.Which of these is caused by friction? (a) rain falls to the ground (b) a thrown ball comes down (c) shoes grip the floor (d) a compass needle turns

Answer key

  1. rain falls to the ground
  2. True
  3. True
  4. a push
  5. 15
  6. a pull
  7. a magnet picks up pins
  8. 25
  9. 19
  10. to the left
  11. a pull
  12. squeezing a lemon
  13. muscular force
  14. False
  15. 75
  16. magnetic force
  17. a push
  18. muscular force
  19. 290
  20. lifting a school bag
  21. 140
  22. 75
  23. 55
  24. to the right
  25. 3
  26. an apple falls down
  27. 50
  28. 120
  29. change its colour
  30. 20
  31. muscular force
  32. 440
  33. push or a pull
  34. True
  35. False
  36. a push
  37. False
  38. gravity
  39. a pull
  40. shoes grip the floor

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