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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 396 · 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.💪 A force is a … (a) unit of time (b) type of sound (c) kind of colour (d) push or a pull
  2. 2.💪 Which force pulls everything towards the Earth? (a) gravity (b) wind (c) friction (d) magnetism
  3. 3.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
  4. 4.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) friction (c) muscular force (d) gravity
  5. 5.💪 Which force is at work: rain falls to the ground? (a) friction (b) gravity (c) muscular force (d) magnetic force
  6. 6.💪 A bag has a mass of 25 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  7. 7.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  8. 8.Which of these is caused by magnetic force? (a) pedalling a cycle (b) a thrown ball comes down (c) a rolling ball slows (d) a compass needle turns
  9. 9.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  10. 10.💪 In which unit do we measure force? (a) second (s) (b) newton (N) (c) metre (m) (d) litre (L)
  11. 11.💪 Two children push a box to the right, one with 55 N and the other with 100 N. What is the net (total) force on the box, in newtons?
  12. 12.True or false: kicking a football is a push. (a) False (b) True
  13. 13.💪 A bag has a mass of 3 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  14. 14.💪 Two children push a box to the right, one with 5 N and the other with 85 N. What is the net (total) force on the box, in newtons?
  15. 15.True or false: pushing a swing is a push. (a) False (b) True
  16. 16.💪 In a tug of war, one team pulls right with 70 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
  17. 17.💪 Two children push a box to the right, one with 70 N and the other with 75 N. What is the net (total) force on the box, in newtons?
  18. 18.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) unbalanced (c) gravity (d) balanced
  19. 19.💪 A cart is pulled to the right with 45 N and to the left with 60 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
  20. 20.💪 A box weighs 260 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  21. 21.💪 In a tug of war, one team pulls left with 45 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
  22. 22.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) muscular force (c) magnetic force (d) friction
  23. 23.💪 A cart is pulled to the right with 65 N and to the left with 50 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  24. 24.💪 In a tug of war, one team pulls right with 80 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  25. 25.💪 Which force is at work: an apple falls down? (a) magnetic force (b) muscular force (c) gravity (d) friction
  26. 26.True or false: opening a drawer is a push. (a) True (b) False
  27. 27.💪 Two children push a box to the right, one with 65 N and the other with 65 N. What is the net (total) force on the box, in newtons?
  28. 28.💪 Which force is at work: a rolling ball slows? (a) friction (b) magnetic force (c) gravity (d) muscular force
  29. 29.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  30. 30.💪 Which force is at work: squeezing a lemon? (a) friction (b) gravity (c) magnetic force (d) muscular force
  31. 31.True or false: a tug of war is a push. (a) True (b) False
  32. 32.💪 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?
  33. 33.Which of these is caused by gravity? (a) a rolling ball slows (b) a fridge magnet sticks (c) shoes grip the floor (d) an apple falls down
  34. 34.Which of these is caused by muscular force? (a) a thrown ball comes down (b) a rolling ball slows (c) a compass needle turns (d) pedalling a cycle
  35. 35.Which of these is caused by magnetic force? (a) shoes grip the floor (b) lifting a school bag (c) a magnet picks up pins (d) squeezing a lemon
  36. 36.Which of these is caused by magnetic force? (a) shoes grip the floor (b) squeezing a lemon (c) rain falls to the ground (d) a fridge magnet sticks
  37. 37.Which of these is caused by friction? (a) rain falls to the ground (b) a river flows downhill (c) a rolling ball slows (d) a thrown ball comes down
  38. 38.Which of these is caused by gravity? (a) a magnet picks up pins (b) squeezing a lemon (c) rain falls to the ground (d) brakes stop a bicycle
  39. 39.💪 A cart is pulled to the right with 70 N and to the left with 55 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  40. 40.💪 Which force is at work: shoes grip the floor? (a) magnetic force (b) muscular force (c) gravity (d) friction

Answer key

  1. push or a pull
  2. gravity
  3. a pull
  4. gravity
  5. gravity
  6. 250
  7. a pull
  8. a compass needle turns
  9. a pull
  10. newton (N)
  11. 155
  12. True
  13. 30
  14. 90
  15. True
  16. 55
  17. 145
  18. balanced
  19. to the left
  20. 26
  21. 30
  22. magnetic force
  23. to the right
  24. 75
  25. gravity
  26. False
  27. 130
  28. friction
  29. a pull
  30. muscular force
  31. False
  32. 65
  33. an apple falls down
  34. pedalling a cycle
  35. a magnet picks up pins
  36. a fridge magnet sticks
  37. a rolling ball slows
  38. rain falls to the ground
  39. to the right
  40. friction

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