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Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 391 · 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: a tug of war is a push. (a) True (b) False
  2. 2.True or false: drawing up a well bucket is a pull. (a) False (b) True
  3. 3.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
  4. 4.💪 Which can a force NOT do? (a) change its colour (b) stop it moving (c) start it moving (d) change its shape
  5. 5.Which of these is caused by gravity? (a) squeezing a lemon (b) a compass needle turns (c) a thrown ball comes down (d) rubbing hands warms them
  6. 6.💪 A cart is pulled to the right with 40 N and to the left with 50 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  7. 7.💪 Which force pulls everything towards the Earth? (a) friction (b) gravity (c) wind (d) magnetism
  8. 8.💪 In a tug of war, one team pulls right with 45 N and the other pulls left with 35 N. What is the size of the net force, in newtons?
  9. 9.💪 A bag has a mass of 3 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  10. 10.True or false: plucking a mango is a push. (a) False (b) True
  11. 11.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) unbalanced (c) balanced (d) doubled
  12. 12.Which of these is caused by gravity? (a) an apple falls down (b) rubbing hands warms them (c) lifting a school bag (d) a compass needle turns
  13. 13.💪 A box weighs 180 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
  14. 14.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
  15. 15.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
  16. 16.💪 In a tug of war, one team pulls right with 95 N and the other pulls left with 45 N. What is the size of the net force, in newtons?
  17. 17.💪 A bag has a mass of 43 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  18. 18.Which of these is caused by friction? (a) an apple falls down (b) rubbing hands warms them (c) a river flows downhill (d) lifting a school bag
  19. 19.💪 A force is a … (a) push or a pull (b) type of sound (c) kind of colour (d) unit of time
  20. 20.💪 A cart is pulled to the right with 45 N and to the left with 55 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
  21. 21.True or false: kicking a football is a pull. (a) True (b) False
  22. 22.💪 A cart is pulled to the right with 25 N and to the left with 20 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
  23. 23.💪 Which force is at work: rain falls to the ground? (a) friction (b) muscular force (c) gravity (d) magnetic force
  24. 24.💪 A cart is pulled to the right with 50 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
  25. 25.💪 A bag has a mass of 10 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
  26. 26.💪 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?
  27. 27.💪 Two children push a box to the right, one with 85 N and the other with 75 N. What is the net (total) force on the box, in newtons?
  28. 28.💪 Two children push a box to the right, one with 30 N and the other with 50 N. What is the net (total) force on the box, in newtons?
  29. 29.💪 In which unit do we measure force? (a) metre (m) (b) newton (N) (c) litre (L) (d) second (s)
  30. 30.True or false: a tug of war is a pull. (a) False (b) True
  31. 31.Which of these is caused by gravity? (a) a fridge magnet sticks (b) brakes stop a bicycle (c) a rolling ball slows (d) rain falls to the ground
  32. 32.True or false: pressing a doorbell is a pull. (a) False (b) True
  33. 33.💪 A cart is pulled to the right with 60 N and to the left with 55 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
  34. 34.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
  35. 35.True or false: pushing a swing is a pull. (a) False (b) True
  36. 36.💪 Which force is at work: a river flows downhill? (a) friction (b) magnetic force (c) gravity (d) muscular force
  37. 37.Which of these is caused by magnetic force? (a) shoes grip the floor (b) rubbing hands warms them (c) a fridge magnet sticks (d) a rolling ball slows
  38. 38.💪 Which force is at work: a compass needle turns? (a) friction (b) gravity (c) muscular force (d) magnetic force
  39. 39.💪 Two children push a box to the right, one with 50 N and the other with 85 N. What is the net (total) force on the box, in newtons?
  40. 40.True or false: pushing a trolley is a push. (a) False (b) True

Answer key

  1. False
  2. True
  3. a push
  4. change its colour
  5. a thrown ball comes down
  6. to the left
  7. gravity
  8. 10
  9. 30
  10. False
  11. balanced
  12. an apple falls down
  13. 18
  14. a push
  15. a push
  16. 50
  17. 430
  18. rubbing hands warms them
  19. push or a pull
  20. to the left
  21. False
  22. to the right
  23. gravity
  24. to the right
  25. 100
  26. 5
  27. 160
  28. 80
  29. newton (N)
  30. True
  31. rain falls to the ground
  32. False
  33. to the right
  34. a pull
  35. False
  36. gravity
  37. a fridge magnet sticks
  38. magnetic force
  39. 135
  40. True

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