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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 857 · 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) push or a pull (b) type of sound (c) kind of colour (d) unit of time
  2. 2.💪 Which force is at work: rain falls to the ground? (a) magnetic force (b) friction (c) gravity (d) muscular force
  3. 3.💪 Which force is at work: a thrown ball comes down? (a) friction (b) muscular force (c) magnetic force (d) gravity
  4. 4.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  5. 5.💪 A cart is pulled to the right with 60 N and to the left with 55 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  6. 6.💪 A bag has a mass of 34 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  7. 7.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  8. 8.Which of these is caused by magnetic force? (a) a magnet picks up pins (b) a thrown ball comes down (c) rubbing hands warms them (d) rain falls to the ground
  9. 9.💪 A box weighs 290 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  10. 10.💪 A bag has a mass of 40 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  11. 11.💪 Two children push a box to the right, one with 75 N and the other with 30 N. What is the net (total) force on the box, in newtons?
  12. 12.💪 Two children push a box to the right, one with 85 N and the other with 60 N. What is the net (total) force on the box, in newtons?
  13. 13.💪 A box weighs 560 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  14. 14.💪 Which can a force NOT do? (a) start it moving (b) change its shape (c) change its colour (d) stop it moving
  15. 15.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) doubled (c) gravity (d) balanced
  16. 16.💪 A box weighs 500 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  17. 17.True or false: kicking a football is a push. (a) True (b) False
  18. 18.💪 In a tug of war, one team pulls right with 35 N and the other pulls left with 25 N. What is the size of the net force, in newtons?
  19. 19.💪 A bag has a mass of 12 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  20. 20.💪 A box weighs 540 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  21. 21.Which of these is caused by muscular force? (a) a magnet picks up pins (b) a compass needle turns (c) a fridge magnet sticks (d) squeezing a lemon
  22. 22.💪 A bag has a mass of 1 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  23. 23.💪 Which force pulls everything towards the Earth? (a) magnetism (b) gravity (c) wind (d) friction
  24. 24.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) gravity (c) friction (d) magnetic force
  25. 25.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
  26. 26.💪 Two children push a box to the right, one with 85 N and the other with 80 N. What is the net (total) force on the box, in newtons?
  27. 27.True or false: pulling up your socks is a push. (a) True (b) False
  28. 28.💪 Which force is at work: a rolling ball slows? (a) muscular force (b) magnetic force (c) friction (d) gravity
  29. 29.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
  30. 30.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  31. 31.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  32. 32.💪 Which force is at work: a river flows downhill? (a) muscular force (b) magnetic force (c) friction (d) gravity
  33. 33.💪 A box weighs 440 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  34. 34.💪 In which unit do we measure force? (a) litre (L) (b) newton (N) (c) second (s) (d) metre (m)
  35. 35.💪 Which force is at work: shoes grip the floor? (a) muscular force (b) magnetic force (c) gravity (d) friction
  36. 36.💪 In a tug of war, one team pulls right with 90 N and the other pulls left with 80 N. What is the size of the net force, in newtons?
  37. 37.True or false: pulling up your socks is a pull. (a) True (b) False
  38. 38.💪 Which force is at work: squeezing a lemon? (a) friction (b) muscular force (c) gravity (d) magnetic force
  39. 39.💪 Two children push a box to the right, one with 70 N and the other with 40 N. What is the net (total) force on the box, in newtons?
  40. 40.Which of these is caused by gravity? (a) a river flows downhill (b) rubbing hands warms them (c) squeezing a lemon (d) a magnet picks up pins

Answer key

  1. push or a pull
  2. gravity
  3. gravity
  4. a push
  5. to the right
  6. 340
  7. 15
  8. a magnet picks up pins
  9. 29
  10. 400
  11. 105
  12. 145
  13. 56
  14. change its colour
  15. balanced
  16. 50
  17. True
  18. 10
  19. 120
  20. 54
  21. squeezing a lemon
  22. 10
  23. gravity
  24. magnetic force
  25. a push
  26. 165
  27. False
  28. friction
  29. a pull
  30. a push
  31. a pull
  32. gravity
  33. 44
  34. newton (N)
  35. friction
  36. 10
  37. True
  38. muscular force
  39. 110
  40. a river flows downhill

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