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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 535 · 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.True or false: plucking a mango is a push. (a) False (b) True
  2. 2.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
  3. 3.Which of these is caused by friction? (a) shoes grip the floor (b) lifting a school bag (c) a thrown ball comes down (d) a river flows downhill
  4. 4.💪 In a tug of war, one team pulls left with 85 N and the other pulls right with 20 N. What is the size of the net force, in newtons?
  5. 5.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) doubled (c) unbalanced (d) gravity
  6. 6.💪 In which unit do we measure force? (a) second (s) (b) metre (m) (c) newton (N) (d) litre (L)
  7. 7.True or false: pulling up your socks is a pull. (a) True (b) False
  8. 8.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
  9. 9.💪 In a tug of war, one team pulls left with 20 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
  10. 10.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
  11. 11.💪 A box weighs 120 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  12. 12.Which of these is caused by muscular force? (a) brakes stop a bicycle (b) rubbing hands warms them (c) pedalling a cycle (d) a thrown ball comes down
  13. 13.💪 A force is a … (a) kind of colour (b) push or a pull (c) unit of time (d) type of sound
  14. 14.True or false: closing a drawer is a push. (a) False (b) True
  15. 15.💪 A cart is pulled to the right with 65 N and to the left with 50 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
  16. 16.💪 Which force is at work: an apple falls down? (a) gravity (b) magnetic force (c) muscular force (d) friction
  17. 17.True or false: pulling a cart is a push. (a) False (b) True
  18. 18.💪 A cart is pulled to the right with 75 N and to the left with 60 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
  19. 19.💪 A bag has a mass of 5 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  20. 20.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
  21. 21.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
  22. 22.Which of these is caused by friction? (a) lifting a school bag (b) rubbing hands warms them (c) a thrown ball comes down (d) a fridge magnet sticks
  23. 23.True or false: pulling a cart is a pull. (a) True (b) False
  24. 24.💪 Two children push a box to the right, one with 60 N and the other with 75 N. What is the net (total) force on the box, in newtons?
  25. 25.💪 A box weighs 310 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  26. 26.💪 In a tug of war, one team pulls left with 80 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
  27. 27.💪 A box weighs 390 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  28. 28.💪 Which force is at work: a river flows downhill? (a) friction (b) magnetic force (c) gravity (d) muscular force
  29. 29.💪 Which force is at work: shoes grip the floor? (a) gravity (b) friction (c) muscular force (d) magnetic force
  30. 30.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) gravity (c) friction (d) muscular force
  31. 31.💪 A box weighs 80 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  32. 32.💪 Two children push a box to the right, one with 35 N and the other with 15 N. What is the net (total) force on the box, in newtons?
  33. 33.Which of these is caused by friction? (a) rain falls to the ground (b) a rolling ball slows (c) an apple falls down (d) a fridge magnet sticks
  34. 34.💪 In a tug of war, one team pulls left with 30 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
  35. 35.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  36. 36.💪 A box weighs 550 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  37. 37.💪 A box weighs 230 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  38. 38.💪 Two children push a box to the right, one with 95 N and the other with 40 N. What is the net (total) force on the box, in newtons?
  39. 39.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
  40. 40.True or false: drawing up a well bucket is a pull. (a) True (b) False

Answer key

  1. False
  2. a pull
  3. shoes grip the floor
  4. 65
  5. balanced
  6. newton (N)
  7. True
  8. 5
  9. 15
  10. a pull
  11. 12
  12. pedalling a cycle
  13. push or a pull
  14. True
  15. to the right
  16. gravity
  17. False
  18. to the right
  19. 50
  20. a pull
  21. a pull
  22. rubbing hands warms them
  23. True
  24. 135
  25. 31
  26. 75
  27. 39
  28. gravity
  29. friction
  30. friction
  31. 8
  32. 50
  33. a rolling ball slows
  34. 15
  35. a push
  36. 55
  37. 23
  38. 135
  39. a push
  40. True

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