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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 728 · 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 a tug of war a push or a pull? (a) a push (b) a pull
  2. 2.💪 Which can a force NOT do? (a) change its shape (b) start it moving (c) stop it moving (d) change its colour
  3. 3.💪 A box weighs 550 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  4. 4.💪 A bag has a mass of 21 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  5. 5.True or false: pushing a swing is a pull. (a) True (b) False
  6. 6.💪 In a tug of war, one team pulls right with 75 N and the other pulls left with 25 N. What is the size of the net force, in newtons?
  7. 7.💪 Which force pulls everything towards the Earth? (a) gravity (b) wind (c) magnetism (d) friction
  8. 8.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  9. 9.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
  10. 10.True or false: drawing up a well bucket is a pull. (a) True (b) False
  11. 11.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) gravity (c) muscular force (d) friction
  12. 12.💪 A force is a … (a) kind of colour (b) push or a pull (c) type of sound (d) unit of time
  13. 13.True or false: closing a drawer is a pull. (a) False (b) True
  14. 14.💪 A cart is pulled to the right with 20 N and to the left with 10 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
  15. 15.💪 Which force is at work: lifting a school bag? (a) muscular force (b) friction (c) magnetic force (d) gravity
  16. 16.💪 A box weighs 20 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  17. 17.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  18. 18.💪 A cart is pulled to the right with 50 N and to the left with 50 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  19. 19.True or false: drawing up a well bucket is a push. (a) False (b) True
  20. 20.💪 Which force is at work: an apple falls down? (a) magnetic force (b) gravity (c) muscular force (d) friction
  21. 21.💪 In a tug of war, one team pulls left with 90 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
  22. 22.💪 Which force is at work: rain falls to the ground? (a) friction (b) muscular force (c) magnetic force (d) gravity
  23. 23.💪 A cart is pulled to the right with 65 N and to the left with 65 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
  24. 24.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  25. 25.True or false: opening a drawer is a push. (a) True (b) False
  26. 26.True or false: pulling up your socks is a push. (a) False (b) True
  27. 27.💪 A box weighs 50 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  28. 28.True or false: kicking a football is a push. (a) False (b) True
  29. 29.True or false: pulling a cart is a pull. (a) True (b) False
  30. 30.💪 Two children push a box to the right, one with 10 N and the other with 45 N. What is the net (total) force on the box, in newtons?
  31. 31.💪 In a tug of war, one team pulls right with 95 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
  32. 32.True or false: a tug of war is a pull. (a) False (b) True
  33. 33.True or false: pushing a trolley is a push. (a) True (b) False
  34. 34.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  35. 35.Which of these is caused by muscular force? (a) a magnet picks up pins (b) pedalling a cycle (c) a fridge magnet sticks (d) brakes stop a bicycle
  36. 36.💪 A box weighs 410 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  37. 37.💪 In a tug of war, one team pulls left with 20 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
  38. 38.Which of these is caused by gravity? (a) a river flows downhill (b) a compass needle turns (c) a fridge magnet sticks (d) pedalling a cycle
  39. 39.True or false: closing a drawer is a push. (a) False (b) True
  40. 40.💪 In a tug of war, one team pulls left with 25 N and the other pulls right with 15 N. What is the size of the net force, in newtons?

Answer key

  1. a pull
  2. change its colour
  3. 55
  4. 210
  5. False
  6. 50
  7. gravity
  8. a pull
  9. a push
  10. True
  11. gravity
  12. push or a pull
  13. False
  14. to the right
  15. muscular force
  16. 2
  17. a push
  18. no net force
  19. False
  20. gravity
  21. 75
  22. gravity
  23. no net force
  24. a pull
  25. False
  26. False
  27. 5
  28. True
  29. True
  30. 55
  31. 90
  32. True
  33. True
  34. a push
  35. pedalling a cycle
  36. 41
  37. 5
  38. a river flows downhill
  39. True
  40. 10

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