Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 282 · 40 questions

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.

1. 1.💪 A cart is pulled to the right with 100 N and to the left with 115 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
2. 2.True or false: closing a drawer is a pull. (a) False (b) True
3. 3.💪 In a tug of war, one team pulls right with 85 N and the other pulls left with 60 N. What is the size of the net force, in newtons?
4. 4.💪 Which force is at work: squeezing a lemon? (a) magnetic force (b) muscular force (c) friction (d) gravity
5. 5.💪 Which force pulls everything towards the Earth? (a) gravity (b) friction (c) magnetism (d) wind
6. 6.💪 A box weighs 280 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
7. 7.💪 A box weighs 240 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
8. 8.💪 A force is a … (a) push or a pull (b) kind of colour (c) type of sound (d) unit of time
9. 9.💪 Two children push a box to the right, one with 100 N and the other with 80 N. What is the net (total) force on the box, in newtons?
10. 10.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
11. 11.💪 In which unit do we measure force? (a) metre (m) (b) litre (L) (c) second (s) (d) newton (N)
12. 12.True or false: closing a drawer is a push. (a) False (b) True
13. 13.True or false: hitting a cricket ball is a pull. (a) True (b) False
14. 14.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
15. 15.True or false: pushing a trolley is a push. (a) False (b) True
16. 16.💪 A cart is pulled to the right with 70 N and to the left with 70 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
17. 17.💪 A box weighs 230 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
18. 18.Which of these is caused by muscular force? (a) a magnet picks up pins (b) rubbing hands warms them (c) pedalling a cycle (d) brakes stop a bicycle
19. 19.💪 A bag has a mass of 3 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
20. 20.💪 Which force is at work: a river flows downhill? (a) muscular force (b) friction (c) gravity (d) magnetic force
21. 21.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
22. 22.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
23. 23.💪 Which force is at work: a compass needle turns? (a) muscular force (b) friction (c) gravity (d) magnetic force
24. 24.💪 A bag has a mass of 31 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
25. 25.Which of these is caused by friction? (a) a magnet picks up pins (b) a compass needle turns (c) a rolling ball slows (d) a fridge magnet sticks
26. 26.💪 In a tug of war, one team pulls left with 80 N and the other pulls right with 65 N. What is the size of the net force, in newtons?
27. 27.True or false: pressing a doorbell is a pull. (a) False (b) True
28. 28.💪 Two children push a box to the right, one with 90 N and the other with 15 N. What is the net (total) force on the box, in newtons?
29. 29.True or false: plucking a mango is a push. (a) False (b) True
30. 30.💪 In a tug of war, one team pulls right with 50 N and the other pulls left with 45 N. What is the size of the net force, in newtons?
31. 31.💪 A bag has a mass of 35 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
32. 32.Which of these is caused by gravity? (a) a rolling ball slows (b) a magnet picks up pins (c) a river flows downhill (d) shoes grip the floor
33. 33.💪 A bag has a mass of 37 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
34. 34.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
35. 35.💪 Which force is at work: rubbing hands warms them? (a) friction (b) gravity (c) magnetic force (d) muscular force
36. 36.💪 In a tug of war, one team pulls right with 85 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
37. 37.💪 Which force is at work: rain falls to the ground? (a) gravity (b) friction (c) magnetic force (d) muscular force
38. 38.Which of these is caused by magnetic force? (a) a magnet picks up pins (b) rain falls to the ground (c) a thrown ball comes down (d) brakes stop a bicycle
39. 39.True or false: pushing a trolley is a pull. (a) True (b) False
40. 40.💪 Two children push a box to the right, one with 85 N and the other with 90 N. What is the net (total) force on the box, in newtons?

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