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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 532 · 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) type of sound (b) unit of time (c) push or a pull (d) kind of colour
  2. 2.💪 A bag has a mass of 8 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  3. 3.💪 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) to the right (b) to the left (c) no net force
  4. 4.💪 A bag has a mass of 7 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  5. 5.💪 Which force is at work: a compass needle turns? (a) muscular force (b) friction (c) gravity (d) magnetic force
  6. 6.💪 Which force is at work: lifting a school bag? (a) gravity (b) muscular force (c) friction (d) magnetic force
  7. 7.💪 A box weighs 550 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  8. 8.💪 Which force is at work: an apple falls down? (a) magnetic force (b) muscular force (c) gravity (d) friction
  9. 9.Which of these is caused by muscular force? (a) brakes stop a bicycle (b) rubbing hands warms them (c) a river flows downhill (d) pedalling a cycle
  10. 10.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  11. 11.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
  12. 12.Which of these is caused by magnetic force? (a) brakes stop a bicycle (b) a magnet picks up pins (c) rubbing hands warms them (d) shoes grip the floor
  13. 13.True or false: kicking a football is a pull. (a) True (b) False
  14. 14.💪 Which force is at work: rain falls to the ground? (a) magnetic force (b) friction (c) muscular force (d) gravity
  15. 15.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
  16. 16.💪 A cart is pulled to the right with 75 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
  17. 17.💪 A box weighs 350 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  18. 18.💪 In a tug of war, one team pulls right with 95 N and the other pulls left with 75 N. What is the size of the net force, in newtons?
  19. 19.Which of these is caused by gravity? (a) shoes grip the floor (b) brakes stop a bicycle (c) lifting a school bag (d) rain falls to the ground
  20. 20.True or false: pushing a trolley is a push. (a) False (b) True
  21. 21.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) doubled (c) gravity (d) balanced
  22. 22.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
  23. 23.Which of these is caused by gravity? (a) rubbing hands warms them (b) an apple falls down (c) a fridge magnet sticks (d) squeezing a lemon
  24. 24.True or false: plucking a mango is a pull. (a) False (b) True
  25. 25.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
  26. 26.💪 Two children push a box to the right, one with 80 N and the other with 55 N. What is the net (total) force on the box, in newtons?
  27. 27.💪 A bag has a mass of 18 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  28. 28.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
  29. 29.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  30. 30.💪 In a tug of war, one team pulls left with 60 N and the other pulls right with 45 N. What is the size of the net force, in newtons?
  31. 31.💪 In a tug of war, one team pulls left with 45 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
  32. 32.True or false: drawing up a well bucket is a push. (a) False (b) True
  33. 33.True or false: hitting a cricket ball is a push. (a) False (b) True
  34. 34.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) friction (c) gravity (d) magnetic force
  35. 35.💪 In a tug of war, one team pulls right with 80 N and the other pulls left with 50 N. What is the size of the net force, in newtons?
  36. 36.True or false: pulling up your socks is a pull. (a) True (b) False
  37. 37.Which of these is caused by gravity? (a) lifting a school bag (b) pedalling a cycle (c) a fridge magnet sticks (d) a thrown ball comes down
  38. 38.Which of these is caused by magnetic force? (a) brakes stop a bicycle (b) rain falls to the ground (c) a compass needle turns (d) a rolling ball slows
  39. 39.💪 Two children push a box to the right, one with 95 N and the other with 45 N. What is the net (total) force on the box, in newtons?
  40. 40.💪 Which force is at work: a rolling ball slows? (a) muscular force (b) gravity (c) friction (d) magnetic force

Answer key

  1. push or a pull
  2. 80
  3. to the left
  4. 70
  5. magnetic force
  6. muscular force
  7. 55
  8. gravity
  9. pedalling a cycle
  10. a push
  11. a pull
  12. a magnet picks up pins
  13. False
  14. gravity
  15. a pull
  16. to the right
  17. 35
  18. 20
  19. rain falls to the ground
  20. True
  21. balanced
  22. a pull
  23. an apple falls down
  24. True
  25. a push
  26. 135
  27. 180
  28. a push
  29. a pull
  30. 15
  31. 30
  32. False
  33. True
  34. friction
  35. 30
  36. True
  37. a thrown ball comes down
  38. a compass needle turns
  39. 140
  40. friction

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