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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 74 · 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 can a force NOT do? (a) change its colour (b) stop it moving (c) start it moving (d) change its shape
  2. 2.💪 Two children push a box to the right, one with 60 N and the other with 35 N. What is the net (total) force on the box, in newtons?
  3. 3.💪 A cart is pulled to the right with 40 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
  4. 4.💪 A box weighs 210 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  5. 5.Which of these is caused by friction? (a) an apple falls down (b) a magnet picks up pins (c) shoes grip the floor (d) lifting a school bag
  6. 6.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  7. 7.Which of these is caused by gravity? (a) lifting a school bag (b) pedalling a cycle (c) a rolling ball slows (d) an apple falls down
  8. 8.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) muscular force (c) magnetic force (d) friction
  9. 9.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  10. 10.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) doubled (c) unbalanced (d) gravity
  11. 11.True or false: hitting a cricket ball is a pull. (a) False (b) True
  12. 12.💪 Two children push a box to the right, one with 100 N and the other with 100 N. What is the net (total) force on the box, in newtons?
  13. 13.True or false: plucking a mango is a push. (a) True (b) False
  14. 14.Which of these is caused by muscular force? (a) pedalling a cycle (b) a rolling ball slows (c) a fridge magnet sticks (d) a thrown ball comes down
  15. 15.💪 In a tug of war, one team pulls left with 50 N and the other pulls right with 20 N. What is the size of the net force, in newtons?
  16. 16.💪 In a tug of war, one team pulls right with 60 N and the other pulls left with 55 N. What is the size of the net force, in newtons?
  17. 17.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  18. 18.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) friction (c) gravity (d) muscular force
  19. 19.True or false: closing a drawer is a pull. (a) True (b) False
  20. 20.💪 A box weighs 10 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  21. 21.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
  22. 22.💪 Which force is at work: lifting a school bag? (a) friction (b) muscular force (c) magnetic force (d) gravity
  23. 23.💪 A box weighs 140 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  24. 24.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  25. 25.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  26. 26.💪 Two children push a box to the right, one with 85 N and the other with 75 N. What is the net (total) force on the box, in newtons?
  27. 27.💪 Which force is at work: a magnet picks up pins? (a) friction (b) gravity (c) magnetic force (d) muscular force
  28. 28.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) magnetic force (c) gravity (d) friction
  29. 29.True or false: drawing up a well bucket is a push. (a) False (b) True
  30. 30.💪 Two children push a box to the right, one with 40 N and the other with 45 N. What is the net (total) force on the box, in newtons?
  31. 31.💪 A bag has a mass of 26 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  32. 32.Which of these is caused by gravity? (a) rubbing hands warms them (b) brakes stop a bicycle (c) a river flows downhill (d) a compass needle turns
  33. 33.True or false: kicking a football is a push. (a) False (b) True
  34. 34.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  35. 35.💪 A bag has a mass of 10 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  36. 36.True or false: kicking a football is a pull. (a) False (b) True
  37. 37.💪 A cart is pulled to the right with 55 N and to the left with 40 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  38. 38.💪 A force is a … (a) type of sound (b) push or a pull (c) kind of colour (d) unit of time
  39. 39.Which of these is caused by magnetic force? (a) a magnet picks up pins (b) a river flows downhill (c) squeezing a lemon (d) an apple falls down
  40. 40.💪 A cart is pulled to the right with 90 N and to the left with 75 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right

Answer key

  1. change its colour
  2. 95
  3. to the left
  4. 21
  5. shoes grip the floor
  6. a push
  7. an apple falls down
  8. magnetic force
  9. a push
  10. balanced
  11. False
  12. 200
  13. False
  14. pedalling a cycle
  15. 30
  16. 5
  17. a pull
  18. friction
  19. False
  20. 1
  21. a push
  22. muscular force
  23. 14
  24. a pull
  25. a push
  26. 160
  27. magnetic force
  28. friction
  29. False
  30. 85
  31. 260
  32. a river flows downhill
  33. True
  34. a pull
  35. 100
  36. False
  37. to the right
  38. push or a pull
  39. a magnet picks up pins
  40. to the right

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