Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 341 · 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 70 N and to the left with 60 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
2. 2.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
3. 3.💪 In a tug of war, one team pulls left with 35 N and the other pulls right with 20 N. What is the size of the net force, in newtons?
4. 4.True or false: drawing up a well bucket is a push. (a) False (b) True
5. 5.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
6. 6.💪 In a tug of war, one team pulls right with 50 N and the other pulls left with 35 N. What is the size of the net force, in newtons?
7. 7.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
8. 8.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
9. 9.True or false: pressing a doorbell is a push. (a) True (b) False
10. 10.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) gravity (c) doubled (d) unbalanced
11. 11.True or false: pressing a doorbell is a pull. (a) True (b) False
12. 12.💪 In a tug of war, one team pulls right with 15 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
13. 13.💪 Which force is at work: a rolling ball slows? (a) friction (b) gravity (c) muscular force (d) magnetic force
14. 14.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) gravity (c) muscular force (d) friction
15. 15.💪 Which force is at work: brakes stop a bicycle? (a) friction (b) muscular force (c) gravity (d) magnetic force
16. 16.💪 A box weighs 260 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
17. 17.💪 In a tug of war, one team pulls left with 100 N and the other pulls right with 70 N. What is the size of the net force, in newtons?
18. 18.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
19. 19.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
20. 20.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
21. 21.💪 A cart is pulled to the right with 20 N and to the left with 5 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
22. 22.💪 Which force is at work: squeezing a lemon? (a) muscular force (b) gravity (c) magnetic force (d) friction
23. 23.Which of these is caused by gravity? (a) a compass needle turns (b) rubbing hands warms them (c) a river flows downhill (d) brakes stop a bicycle
24. 24.💪 Which force is at work: a compass needle turns? (a) gravity (b) muscular force (c) friction (d) magnetic force
25. 25.💪 In which unit do we measure force? (a) litre (L) (b) second (s) (c) metre (m) (d) newton (N)
26. 26.Which of these is caused by magnetic force? (a) pedalling a cycle (b) a magnet picks up pins (c) rain falls to the ground (d) an apple falls down
27. 27.Which of these is caused by friction? (a) a magnet picks up pins (b) a rolling ball slows (c) squeezing a lemon (d) a thrown ball comes down
28. 28.💪 A box weighs 40 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
29. 29.True or false: hitting a cricket ball is a pull. (a) False (b) True
30. 30.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
31. 31.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
32. 32.💪 A force is a … (a) unit of time (b) kind of colour (c) push or a pull (d) type of sound
33. 33.Which of these is caused by friction? (a) rain falls to the ground (b) lifting a school bag (c) rubbing hands warms them (d) a river flows downhill
34. 34.💪 Which force is at work: an apple falls down? (a) friction (b) muscular force (c) gravity (d) magnetic force
35. 35.True or false: pushing a swing is a pull. (a) True (b) False
36. 36.💪 Which force is at work: a thrown ball comes down? (a) muscular force (b) friction (c) magnetic force (d) gravity
37. 37.Which of these is caused by gravity? (a) rubbing hands warms them (b) lifting a school bag (c) an apple falls down (d) brakes stop a bicycle
38. 38.True or false: opening a drawer is a pull. (a) False (b) True
39. 39.True or false: pushing a trolley is a pull. (a) True (b) False
40. 40.True or false: closing a drawer is a pull. (a) True (b) False

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