Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 344 · 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: a thrown ball comes down? (a) gravity (b) muscular force (c) magnetic force (d) friction
2. 2.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
3. 3.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
4. 4.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
5. 5.💪 In which unit do we measure force? (a) litre (L) (b) second (s) (c) newton (N) (d) metre (m)
6. 6.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
7. 7.True or false: pressing a doorbell is a pull. (a) False (b) True
8. 8.💪 In a tug of war, one team pulls right with 85 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
9. 9.Which of these is caused by magnetic force? (a) rain falls to the ground (b) rubbing hands warms them (c) a magnet picks up pins (d) lifting a school bag
10. 10.💪 Which force is at work: a river flows downhill? (a) friction (b) gravity (c) magnetic force (d) muscular force
11. 11.True or false: hitting a cricket ball is a pull. (a) False (b) True
12. 12.💪 Two children push a box to the right, one with 5 N and the other with 75 N. What is the net (total) force on the box, in newtons?
13. 13.💪 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) no net force (c) to the left
14. 14.💪 A box weighs 520 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
15. 15.💪 A box weighs 560 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
16. 16.True or false: hitting a cricket ball is a push. (a) False (b) True
17. 17.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
18. 18.💪 A cart is pulled to the right with 75 N and to the left with 75 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
19. 19.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) gravity (c) friction (d) muscular force
20. 20.True or false: plucking a mango is a push. (a) True (b) False
21. 21.💪 A box weighs 10 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
22. 22.💪 Which force is at work: squeezing a lemon? (a) muscular force (b) friction (c) gravity (d) magnetic force
23. 23.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
24. 24.💪 Two children push a box to the right, one with 10 N and the other with 60 N. What is the net (total) force on the box, in newtons?
25. 25.💪 Which force is at work: shoes grip the floor? (a) muscular force (b) magnetic force (c) gravity (d) friction
26. 26.💪 Which force pulls everything towards the Earth? (a) wind (b) magnetism (c) gravity (d) friction
27. 27.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) gravity (c) unbalanced (d) balanced
28. 28.💪 A cart is pulled to the right with 90 N and to the left with 100 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
29. 29.True or false: plucking a mango is a pull. (a) False (b) True
30. 30.True or false: pushing a swing is a pull. (a) True (b) False
31. 31.True or false: pushing a swing is a push. (a) False (b) True
32. 32.💪 Two children push a box to the right, one with 80 N and the other with 90 N. What is the net (total) force on the box, in newtons?
33. 33.💪 Two children push a box to the right, one with 20 N and the other with 40 N. What is the net (total) force on the box, in newtons?
34. 34.💪 In a tug of war, one team pulls left with 45 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
35. 35.💪 In a tug of war, one team pulls left with 20 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
36. 36.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
37. 37.True or false: pulling a cart is a push. (a) True (b) False
38. 38.💪 A bag has a mass of 58 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
39. 39.Which of these is caused by gravity? (a) a rolling ball slows (b) a fridge magnet sticks (c) a river flows downhill (d) pedalling a cycle
40. 40.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push

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