Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 950 · 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.True or false: opening a drawer is a pull. (a) False (b) True
2. 2.💪 Which force is at work: a river flows downhill? (a) friction (b) magnetic force (c) gravity (d) muscular force
3. 3.True or false: closing a drawer is a pull. (a) False (b) True
4. 4.💪 Which force is at work: rain falls to the ground? (a) gravity (b) muscular force (c) magnetic force (d) friction
5. 5.💪 A force is a … (a) unit of time (b) push or a pull (c) kind of colour (d) type of sound
6. 6.💪 Two children push a box to the right, one with 20 N and the other with 75 N. What is the net (total) force on the box, in newtons?
7. 7.💪 Which force is at work: pedalling a cycle? (a) friction (b) magnetic force (c) gravity (d) muscular force
8. 8.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
9. 9.💪 Which force is at work: a compass needle turns? (a) muscular force (b) gravity (c) magnetic force (d) friction
10. 10.True or false: opening a drawer is a push. (a) True (b) False
11. 11.💪 A bag has a mass of 22 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
12. 12.True or false: hitting a cricket ball is a pull. (a) True (b) False
13. 13.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
14. 14.💪 Which force is at work: a thrown ball comes down? (a) muscular force (b) magnetic force (c) friction (d) gravity
15. 15.💪 In which unit do we measure force? (a) litre (L) (b) second (s) (c) newton (N) (d) metre (m)
16. 16.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) muscular force (c) gravity (d) friction
17. 17.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
18. 18.💪 A box weighs 80 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
19. 19.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
20. 20.💪 A bag has a mass of 49 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
21. 21.True or false: kicking a football is a pull. (a) True (b) False
22. 22.True or false: drawing up a well bucket is a push. (a) True (b) False
23. 23.💪 A box weighs 360 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
24. 24.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
25. 25.💪 A bag has a mass of 45 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
26. 26.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) balanced (c) unbalanced (d) doubled
27. 27.💪 Two children push a box to the right, one with 30 N and the other with 15 N. What is the net (total) force on the box, in newtons?
28. 28.💪 Which force is at work: lifting a school bag? (a) friction (b) gravity (c) muscular force (d) magnetic force
29. 29.💪 A bag has a mass of 55 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
30. 30.Which of these is caused by magnetic force? (a) a compass needle turns (b) a river flows downhill (c) a rolling ball slows (d) brakes stop a bicycle
31. 31.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
32. 32.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
33. 33.💪 Two children push a box to the right, one with 85 N and the other with 5 N. What is the net (total) force on the box, in newtons?
34. 34.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
35. 35.True or false: pulling up your socks is a pull. (a) False (b) True
36. 36.Which of these is caused by gravity? (a) brakes stop a bicycle (b) a magnet picks up pins (c) a thrown ball comes down (d) a rolling ball slows
37. 37.💪 Two children push a box to the right, one with 60 N and the other with 50 N. What is the net (total) force on the box, in newtons?
38. 38.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
39. 39.💪 Which force is at work: a rolling ball slows? (a) magnetic force (b) friction (c) muscular force (d) gravity
40. 40.True or false: hitting a cricket ball is a push. (a) True (b) False

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