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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 514 · 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 swing a push or a pull? (a) a push (b) a pull
  2. 2.Which of these is caused by muscular force? (a) a rolling ball slows (b) brakes stop a bicycle (c) squeezing a lemon (d) a compass needle turns
  3. 3.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  4. 4.💪 In a tug of war, one team pulls right with 45 N and the other pulls left with 35 N. What is the size of the net force, in newtons?
  5. 5.True or false: closing a drawer is a pull. (a) True (b) False
  6. 6.💪 A box weighs 500 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  7. 7.💪 In a tug of war, one team pulls left with 95 N and the other pulls right with 30 N. What is the size of the net force, in newtons?
  8. 8.💪 Which force is at work: a compass needle turns? (a) magnetic force (b) gravity (c) friction (d) muscular force
  9. 9.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) balanced (c) doubled (d) unbalanced
  10. 10.True or false: pressing a doorbell is a pull. (a) True (b) False
  11. 11.💪 Which force is at work: shoes grip the floor? (a) gravity (b) magnetic force (c) friction (d) muscular force
  12. 12.💪 A force is a … (a) type of sound (b) push or a pull (c) unit of time (d) kind of colour
  13. 13.💪 Two children push a box to the right, one with 20 N and the other with 75 N. What is the net (total) force on the box, in newtons?
  14. 14.Which of these is caused by gravity? (a) brakes stop a bicycle (b) a river flows downhill (c) a fridge magnet sticks (d) squeezing a lemon
  15. 15.Which of these is caused by muscular force? (a) a thrown ball comes down (b) pedalling a cycle (c) a river flows downhill (d) rubbing hands warms them
  16. 16.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
  17. 17.💪 Which force is at work: an apple falls down? (a) muscular force (b) friction (c) magnetic force (d) gravity
  18. 18.💪 A box weighs 370 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  19. 19.Which of these is caused by friction? (a) an apple falls down (b) brakes stop a bicycle (c) a river flows downhill (d) a magnet picks up pins
  20. 20.Which of these is caused by gravity? (a) a fridge magnet sticks (b) pedalling a cycle (c) squeezing a lemon (d) a thrown ball comes down
  21. 21.💪 A box weighs 130 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  22. 22.💪 A box weighs 600 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  23. 23.💪 In a tug of war, one team pulls left with 70 N and the other pulls right with 55 N. What is the size of the net force, in newtons?
  24. 24.💪 A box weighs 460 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  25. 25.Which of these is caused by magnetic force? (a) squeezing a lemon (b) rubbing hands warms them (c) pedalling a cycle (d) a magnet picks up pins
  26. 26.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  27. 27.💪 In a tug of war, one team pulls right with 70 N and the other pulls left with 50 N. What is the size of the net force, in newtons?
  28. 28.Which of these is caused by gravity? (a) pedalling a cycle (b) rain falls to the ground (c) a magnet picks up pins (d) lifting a school bag
  29. 29.💪 Which force is at work: a fridge magnet sticks? (a) magnetic force (b) gravity (c) friction (d) muscular force
  30. 30.💪 Which force is at work: a magnet picks up pins? (a) magnetic force (b) muscular force (c) gravity (d) friction
  31. 31.💪 Which force pulls everything towards the Earth? (a) magnetism (b) friction (c) wind (d) gravity
  32. 32.💪 Two children push a box to the right, one with 15 N and the other with 80 N. What is the net (total) force on the box, in newtons?
  33. 33.True or false: opening a drawer is a push. (a) True (b) False
  34. 34.True or false: a tug of war is a push. (a) False (b) True
  35. 35.💪 Which force is at work: a rolling ball slows? (a) muscular force (b) friction (c) gravity (d) magnetic force
  36. 36.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
  37. 37.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  38. 38.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  39. 39.💪 In which unit do we measure force? (a) second (s) (b) metre (m) (c) newton (N) (d) litre (L)
  40. 40.💪 In a tug of war, one team pulls left with 85 N and the other pulls right with 70 N. What is the size of the net force, in newtons?

Answer key

  1. a push
  2. squeezing a lemon
  3. a push
  4. 10
  5. False
  6. 50
  7. 65
  8. magnetic force
  9. balanced
  10. False
  11. friction
  12. push or a pull
  13. 95
  14. a river flows downhill
  15. pedalling a cycle
  16. a pull
  17. gravity
  18. 37
  19. brakes stop a bicycle
  20. a thrown ball comes down
  21. 13
  22. 60
  23. 15
  24. 46
  25. a magnet picks up pins
  26. a pull
  27. 20
  28. rain falls to the ground
  29. magnetic force
  30. magnetic force
  31. gravity
  32. 95
  33. False
  34. False
  35. friction
  36. a push
  37. a pull
  38. a pull
  39. newton (N)
  40. 15

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