Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 86 · 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.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) magnetic force (c) gravity (d) friction
2. 2.💪 Which force is at work: an apple falls down? (a) gravity (b) muscular force (c) friction (d) magnetic force
3. 3.True or false: pulling a cart is a pull. (a) False (b) True
4. 4.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
5. 5.💪 A force is a … (a) push or a pull (b) type of sound (c) unit of time (d) kind of colour
6. 6.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
7. 7.💪 Which force is at work: squeezing a lemon? (a) muscular force (b) gravity (c) magnetic force (d) friction
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.True or false: kicking a football is a pull. (a) True (b) False
10. 10.💪 Which force is at work: a fridge magnet sticks? (a) friction (b) gravity (c) muscular force (d) magnetic force
11. 11.💪 Which force is at work: a rolling ball slows? (a) muscular force (b) magnetic force (c) friction (d) gravity
12. 12.💪 A box weighs 70 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
13. 13.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
14. 14.Which of these is caused by gravity? (a) a rolling ball slows (b) a magnet picks up pins (c) a river flows downhill (d) brakes stop a bicycle
15. 15.💪 Which can a force NOT do? (a) stop it moving (b) change its shape (c) change its colour (d) start it moving
16. 16.💪 Two children push a box to the right, one with 50 N and the other with 20 N. What is the net (total) force on the box, in newtons?
17. 17.💪 Which force is at work: lifting a school bag? (a) muscular force (b) gravity (c) friction (d) magnetic force
18. 18.True or false: hitting a cricket ball is a pull. (a) False (b) True
19. 19.💪 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?
20. 20.💪 Which force is at work: brakes stop a bicycle? (a) magnetic force (b) muscular force (c) friction (d) gravity
21. 21.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
22. 22.True or false: pushing a trolley is a push. (a) False (b) True
23. 23.True or false: plucking a mango is a pull. (a) True (b) False
24. 24.💪 Which force is at work: a compass needle turns? (a) gravity (b) muscular force (c) magnetic force (d) friction
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.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
27. 27.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
28. 28.Which of these is caused by friction? (a) squeezing a lemon (b) pedalling a cycle (c) a magnet picks up pins (d) a rolling ball slows
29. 29.True or false: pulling up your socks is a push. (a) True (b) False
30. 30.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
31. 31.💪 A cart is pulled to the right with 45 N and to the left with 30 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
32. 32.💪 In which unit do we measure force? (a) second (s) (b) metre (m) (c) newton (N) (d) litre (L)
33. 33.💪 Which force is at work: a river flows downhill? (a) friction (b) muscular force (c) magnetic force (d) gravity
34. 34.💪 Which force pulls everything towards the Earth? (a) friction (b) wind (c) magnetism (d) gravity
35. 35.💪 A bag has a mass of 31 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
36. 36.True or false: pushing a swing is a pull. (a) False (b) True
37. 37.True or false: pulling a cart is a push. (a) True (b) False
38. 38.💪 A cart is pulled to the right with 60 N and to the left with 70 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
39. 39.💪 Two children push a box to the right, one with 95 N and the other with 45 N. What is the net (total) force on the box, in newtons?
40. 40.💪 A cart is pulled to the right with 65 N and to the left with 55 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left

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