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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 252 · 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 pulling a cart a push or a pull? (a) a push (b) a pull
  2. 2.💪 A cart is pulled to the right with 25 N and to the left with 10 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  3. 3.💪 A box weighs 300 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  4. 4.💪 Which force is at work: an apple falls down? (a) muscular force (b) gravity (c) friction (d) magnetic force
  5. 5.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) friction (c) muscular force (d) gravity
  6. 6.💪 Which force is at work: squeezing a lemon? (a) magnetic force (b) gravity (c) friction (d) muscular force
  7. 7.Which of these is caused by magnetic force? (a) rain falls to the ground (b) rubbing hands warms them (c) pedalling a cycle (d) a fridge magnet sticks
  8. 8.💪 Which force is at work: shoes grip the floor? (a) gravity (b) magnetic force (c) muscular force (d) friction
  9. 9.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
  10. 10.True or false: kicking a football is a pull. (a) False (b) True
  11. 11.Which of these is caused by muscular force? (a) squeezing a lemon (b) a rolling ball slows (c) shoes grip the floor (d) rubbing hands warms them
  12. 12.💪 Which force is at work: lifting a school bag? (a) muscular force (b) friction (c) magnetic force (d) gravity
  13. 13.💪 Which force pulls everything towards the Earth? (a) wind (b) magnetism (c) friction (d) gravity
  14. 14.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  15. 15.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) muscular force (c) friction (d) gravity
  16. 16.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) doubled (c) balanced (d) gravity
  17. 17.💪 A cart is pulled to the right with 95 N and to the left with 95 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  18. 18.Which of these is caused by gravity? (a) lifting a school bag (b) a fridge magnet sticks (c) a river flows downhill (d) a compass needle turns
  19. 19.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
  20. 20.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
  21. 21.Which of these is caused by muscular force? (a) a thrown ball comes down (b) a fridge magnet sticks (c) lifting a school bag (d) a compass needle turns
  22. 22.💪 Which force is at work: a magnet picks up pins? (a) magnetic force (b) muscular force (c) friction (d) gravity
  23. 23.💪 Two children push a box to the right, one with 85 N and the other with 15 N. What is the net (total) force on the box, in newtons?
  24. 24.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  25. 25.True or false: pushing a swing is a push. (a) False (b) True
  26. 26.💪 In which unit do we measure force? (a) litre (L) (b) metre (m) (c) newton (N) (d) second (s)
  27. 27.True or false: pressing a doorbell is a pull. (a) False (b) True
  28. 28.💪 Two children push a box to the right, one with 30 N and the other with 65 N. What is the net (total) force on the box, in newtons?
  29. 29.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  30. 30.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  31. 31.💪 Which force is at work: a fridge magnet sticks? (a) friction (b) muscular force (c) magnetic force (d) gravity
  32. 32.💪 Which can a force NOT do? (a) stop it moving (b) change its colour (c) change its shape (d) start it moving
  33. 33.💪 Which force is at work: a compass needle turns? (a) gravity (b) friction (c) magnetic force (d) muscular force
  34. 34.💪 A box weighs 180 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  35. 35.💪 In a tug of war, one team pulls left with 95 N and the other pulls right with 75 N. What is the size of the net force, in newtons?
  36. 36.Which of these is caused by friction? (a) a fridge magnet sticks (b) a magnet picks up pins (c) a rolling ball slows (d) squeezing a lemon
  37. 37.True or false: closing a drawer is a pull. (a) True (b) False
  38. 38.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
  39. 39.Which of these is caused by gravity? (a) an apple falls down (b) brakes stop a bicycle (c) shoes grip the floor (d) a fridge magnet sticks
  40. 40.💪 A bag has a mass of 59 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?

Answer key

  1. a pull
  2. to the right
  3. 30
  4. gravity
  5. friction
  6. muscular force
  7. a fridge magnet sticks
  8. friction
  9. a push
  10. False
  11. squeezing a lemon
  12. muscular force
  13. gravity
  14. a push
  15. gravity
  16. balanced
  17. no net force
  18. a river flows downhill
  19. a pull
  20. a push
  21. lifting a school bag
  22. magnetic force
  23. 100
  24. a pull
  25. True
  26. newton (N)
  27. False
  28. 95
  29. a pull
  30. a pull
  31. magnetic force
  32. change its colour
  33. magnetic force
  34. 18
  35. 20
  36. a rolling ball slows
  37. False
  38. a push
  39. an apple falls down
  40. 590

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