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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 14 · 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.True or false: kicking a football is a pull. (a) False (b) True
  2. 2.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  3. 3.True or false: pushing a swing is a pull. (a) True (b) False
  4. 4.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  5. 5.💪 In a tug of war, one team pulls right with 65 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
  6. 6.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
  7. 7.💪 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?
  8. 8.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  9. 9.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  10. 10.💪 Which force is at work: lifting a school bag? (a) magnetic force (b) muscular force (c) friction (d) gravity
  11. 11.💪 Which can a force NOT do? (a) change its colour (b) change its shape (c) stop it moving (d) start it moving
  12. 12.💪 Two children push a box to the right, one with 5 N and the other with 25 N. What is the net (total) force on the box, in newtons?
  13. 13.Which of these is caused by gravity? (a) a compass needle turns (b) pedalling a cycle (c) a fridge magnet sticks (d) a river flows downhill
  14. 14.True or false: pulling a cart is a pull. (a) True (b) False
  15. 15.💪 A cart is pulled to the right with 80 N and to the left with 85 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  16. 16.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
  17. 17.💪 A cart is pulled to the right with 100 N and to the left with 100 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  18. 18.💪 A cart is pulled to the right with 75 N and to the left with 90 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  19. 19.True or false: plucking a mango is a pull. (a) False (b) True
  20. 20.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) gravity (c) unbalanced (d) balanced
  21. 21.Which of these is caused by friction? (a) a rolling ball slows (b) rain falls to the ground (c) a river flows downhill (d) a magnet picks up pins
  22. 22.💪 Which force is at work: a thrown ball comes down? (a) gravity (b) friction (c) magnetic force (d) muscular force
  23. 23.True or false: pulling up your socks is a pull. (a) True (b) False
  24. 24.Which of these is caused by muscular force? (a) a compass needle turns (b) lifting a school bag (c) an apple falls down (d) shoes grip the floor
  25. 25.💪 Which force is at work: a fridge magnet sticks? (a) muscular force (b) friction (c) gravity (d) magnetic force
  26. 26.💪 A box weighs 470 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  27. 27.💪 Two children push a box to the right, one with 85 N and the other with 10 N. What is the net (total) force on the box, in newtons?
  28. 28.Which of these is caused by muscular force? (a) squeezing a lemon (b) a river flows downhill (c) brakes stop a bicycle (d) a rolling ball slows
  29. 29.Which of these is caused by gravity? (a) lifting a school bag (b) an apple falls down (c) a magnet picks up pins (d) pedalling a cycle
  30. 30.💪 In a tug of war, one team pulls right with 75 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
  31. 31.True or false: a tug of war is a pull. (a) False (b) True
  32. 32.💪 A cart is pulled to the right with 50 N and to the left with 65 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  33. 33.💪 In a tug of war, one team pulls left with 85 N and the other pulls right with 40 N. What is the size of the net force, in newtons?
  34. 34.💪 A force is a … (a) unit of time (b) push or a pull (c) type of sound (d) kind of colour
  35. 35.💪 Which force is at work: an apple falls down? (a) friction (b) muscular force (c) gravity (d) magnetic force
  36. 36.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  37. 37.💪 A box weighs 120 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  38. 38.💪 A cart is pulled to the right with 30 N and to the left with 45 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  39. 39.💪 In a tug of war, one team pulls left with 85 N and the other pulls right with 60 N. What is the size of the net force, in newtons?
  40. 40.True or false: kicking a football is a push. (a) False (b) True

Answer key

  1. False
  2. a push
  3. False
  4. a pull
  5. 50
  6. a pull
  7. 15
  8. a push
  9. a pull
  10. muscular force
  11. change its colour
  12. 30
  13. a river flows downhill
  14. True
  15. to the left
  16. a push
  17. no net force
  18. to the left
  19. True
  20. balanced
  21. a rolling ball slows
  22. gravity
  23. True
  24. lifting a school bag
  25. magnetic force
  26. 47
  27. 95
  28. squeezing a lemon
  29. an apple falls down
  30. 55
  31. True
  32. to the left
  33. 45
  34. push or a pull
  35. gravity
  36. a pull
  37. 12
  38. to the left
  39. 25
  40. True

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