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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 613 · 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.Which of these is caused by muscular force? (a) shoes grip the floor (b) a river flows downhill (c) squeezing a lemon (d) a compass needle turns
  2. 2.💪 A box weighs 20 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  3. 3.Which of these is caused by friction? (a) a magnet picks up pins (b) a thrown ball comes down (c) shoes grip the floor (d) an apple falls down
  4. 4.💪 Which force is at work: pedalling a cycle? (a) muscular force (b) gravity (c) magnetic force (d) friction
  5. 5.Which of these is caused by muscular force? (a) rain falls to the ground (b) a magnet picks up pins (c) lifting a school bag (d) brakes stop a bicycle
  6. 6.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
  7. 7.💪 A box weighs 280 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  8. 8.💪 Which force is at work: a river flows downhill? (a) gravity (b) friction (c) magnetic force (d) muscular force
  9. 9.💪 Which force is at work: a compass needle turns? (a) muscular force (b) magnetic force (c) gravity (d) friction
  10. 10.💪 A cart is pulled to the right with 90 N and to the left with 80 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  11. 11.True or false: opening a drawer is a push. (a) False (b) True
  12. 12.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
  13. 13.True or false: closing a drawer is a pull. (a) False (b) True
  14. 14.Which of these is caused by friction? (a) a fridge magnet sticks (b) a compass needle turns (c) brakes stop a bicycle (d) a river flows downhill
  15. 15.True or false: a tug of war is a push. (a) False (b) True
  16. 16.💪 A bag has a mass of 20 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  17. 17.💪 In a tug of war, one team pulls right with 55 N and the other pulls left with 35 N. What is the size of the net force, in newtons?
  18. 18.True or false: pulling a cart is a pull. (a) True (b) False
  19. 19.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
  20. 20.💪 A box weighs 80 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  21. 21.💪 Which force is at work: a rolling ball slows? (a) muscular force (b) friction (c) gravity (d) magnetic force
  22. 22.💪 Which force pulls everything towards the Earth? (a) magnetism (b) gravity (c) friction (d) wind
  23. 23.True or false: pushing a swing is a pull. (a) True (b) False
  24. 24.💪 A box weighs 410 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  25. 25.💪 A bag has a mass of 15 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  26. 26.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  27. 27.True or false: plucking a mango is a push. (a) True (b) False
  28. 28.💪 A bag has a mass of 53 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  29. 29.💪 A box weighs 400 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  30. 30.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
  31. 31.True or false: hitting a cricket ball is a push. (a) False (b) True
  32. 32.💪 A bag has a mass of 4 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  33. 33.Which of these is caused by gravity? (a) rain falls to the ground (b) a compass needle turns (c) squeezing a lemon (d) a magnet picks up pins
  34. 34.True or false: plucking a mango is a pull. (a) False (b) True
  35. 35.Which of these is caused by friction? (a) a rolling ball slows (b) lifting a school bag (c) squeezing a lemon (d) a thrown ball comes down
  36. 36.💪 Which can a force NOT do? (a) start it moving (b) stop it moving (c) change its colour (d) change its shape
  37. 37.True or false: pulling a cart is a push. (a) True (b) False
  38. 38.💪 A bag has a mass of 40 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  39. 39.True or false: drawing up a well bucket is a pull. (a) False (b) True
  40. 40.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) friction (c) magnetic force (d) gravity

Answer key

  1. squeezing a lemon
  2. 2
  3. shoes grip the floor
  4. muscular force
  5. lifting a school bag
  6. a pull
  7. 28
  8. gravity
  9. magnetic force
  10. to the right
  11. False
  12. a push
  13. False
  14. brakes stop a bicycle
  15. False
  16. 200
  17. 20
  18. True
  19. a pull
  20. 8
  21. friction
  22. gravity
  23. False
  24. 41
  25. 150
  26. a push
  27. False
  28. 530
  29. 40
  30. a push
  31. True
  32. 40
  33. rain falls to the ground
  34. True
  35. a rolling ball slows
  36. change its colour
  37. False
  38. 400
  39. True
  40. magnetic force

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