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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 213 · 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 hitting a cricket ball a push or a pull? (a) a push (b) a pull
  2. 2.💪 A cart is pulled to the right with 70 N and to the left with 75 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  3. 3.Which of these is caused by gravity? (a) a rolling ball slows (b) rain falls to the ground (c) pedalling a cycle (d) squeezing a lemon
  4. 4.💪 A cart is pulled to the right with 85 N and to the left with 85 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  5. 5.💪 Which force is at work: an apple falls down? (a) gravity (b) friction (c) magnetic force (d) muscular force
  6. 6.💪 Which force is at work: shoes grip the floor? (a) magnetic force (b) muscular force (c) gravity (d) friction
  7. 7.💪 Which force pulls everything towards the Earth? (a) wind (b) gravity (c) magnetism (d) friction
  8. 8.💪 A box weighs 540 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  9. 9.Which of these is caused by muscular force? (a) a fridge magnet sticks (b) rubbing hands warms them (c) a rolling ball slows (d) pedalling a cycle
  10. 10.True or false: opening a drawer is a push. (a) False (b) True
  11. 11.💪 In a tug of war, one team pulls right with 25 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
  12. 12.True or false: drawing up a well bucket is a pull. (a) False (b) True
  13. 13.Which of these is caused by gravity? (a) shoes grip the floor (b) pedalling a cycle (c) lifting a school bag (d) a river flows downhill
  14. 14.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
  15. 15.Which of these is caused by friction? (a) pedalling a cycle (b) shoes grip the floor (c) an apple falls down (d) a compass needle turns
  16. 16.💪 A bag has a mass of 4 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  17. 17.💪 Which force is at work: a river flows downhill? (a) friction (b) magnetic force (c) muscular force (d) gravity
  18. 18.💪 In a tug of war, one team pulls right with 70 N and the other pulls left with 60 N. What is the size of the net force, in newtons?
  19. 19.💪 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) to the left (b) to the right (c) no net force
  20. 20.True or false: plucking a mango is a push. (a) False (b) True
  21. 21.💪 A force is a … (a) push or a pull (b) type of sound (c) unit of time (d) kind of colour
  22. 22.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  23. 23.True or false: closing a drawer is a push. (a) False (b) True
  24. 24.💪 A box weighs 390 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  25. 25.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
  26. 26.True or false: pulling up your socks is a pull. (a) True (b) False
  27. 27.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) gravity (c) balanced (d) unbalanced
  28. 28.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  29. 29.💪 In which unit do we measure force? (a) litre (L) (b) metre (m) (c) second (s) (d) newton (N)
  30. 30.Which of these is caused by friction? (a) lifting a school bag (b) brakes stop a bicycle (c) a thrown ball comes down (d) rain falls to the ground
  31. 31.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  32. 32.💪 A box weighs 340 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  33. 33.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  34. 34.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
  35. 35.💪 Which force is at work: brakes stop a bicycle? (a) muscular force (b) gravity (c) friction (d) magnetic force
  36. 36.💪 Two children push a box to the right, one with 25 N and the other with 5 N. What is the net (total) force on the box, in newtons?
  37. 37.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  38. 38.💪 A cart is pulled to the right with 55 N and to the left with 65 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  39. 39.💪 In a tug of war, one team pulls right with 10 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  40. 40.Which of these is caused by magnetic force? (a) rain falls to the ground (b) a compass needle turns (c) rubbing hands warms them (d) pedalling a cycle

Answer key

  1. a push
  2. to the left
  3. rain falls to the ground
  4. no net force
  5. gravity
  6. friction
  7. gravity
  8. 54
  9. pedalling a cycle
  10. False
  11. 5
  12. True
  13. a river flows downhill
  14. 10
  15. shoes grip the floor
  16. 40
  17. gravity
  18. 10
  19. to the right
  20. False
  21. push or a pull
  22. a pull
  23. True
  24. 39
  25. a push
  26. True
  27. balanced
  28. a push
  29. newton (N)
  30. brakes stop a bicycle
  31. a pull
  32. 34
  33. a push
  34. a pull
  35. friction
  36. 30
  37. a pull
  38. to the left
  39. 5
  40. a compass needle turns

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