Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 709 · 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.💪 Two children push a box to the right, one with 100 N and the other with 5 N. What is the net (total) force on the box, in newtons?
2. 2.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) doubled (c) balanced (d) unbalanced
3. 3.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
4. 4.💪 A cart is pulled to the right with 55 N and to the left with 70 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
5. 5.True or false: closing a drawer is a pull. (a) True (b) False
6. 6.True or false: pushing a swing is a pull. (a) True (b) False
7. 7.💪 In which unit do we measure force? (a) newton (N) (b) litre (L) (c) second (s) (d) metre (m)
8. 8.💪 Which force is at work: a thrown ball comes down? (a) friction (b) muscular force (c) magnetic force (d) gravity
9. 9.True or false: opening a drawer is a push. (a) False (b) True
10. 10.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
11. 11.💪 A box weighs 180 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
12. 12.Which of these is caused by muscular force? (a) a fridge magnet sticks (b) lifting a school bag (c) a compass needle turns (d) a rolling ball slows
13. 13.💪 Two children push a box to the right, one with 20 N and the other with 5 N. What is the net (total) force on the box, in newtons?
14. 14.True or false: plucking a mango is a push. (a) False (b) True
15. 15.True or false: pressing a doorbell is a push. (a) False (b) True
16. 16.💪 A box weighs 400 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
17. 17.💪 A box weighs 110 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
18. 18.💪 Which force is at work: rubbing hands warms them? (a) gravity (b) magnetic force (c) friction (d) muscular force
19. 19.💪 A cart is pulled to the right with 20 N and to the left with 10 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
20. 20.💪 In a tug of war, one team pulls right with 25 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
21. 21.💪 Two children push a box to the right, one with 60 N and the other with 25 N. What is the net (total) force on the box, in newtons?
22. 22.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
23. 23.💪 Two children push a box to the right, one with 10 N and the other with 5 N. What is the net (total) force on the box, in newtons?
24. 24.Which of these is caused by magnetic force? (a) shoes grip the floor (b) a thrown ball comes down (c) a compass needle turns (d) pedalling a cycle
25. 25.Which of these is caused by friction? (a) lifting a school bag (b) a rolling ball slows (c) pedalling a cycle (d) a compass needle turns
26. 26.💪 A cart is pulled to the right with 90 N and to the left with 95 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
27. 27.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
28. 28.💪 A force is a … (a) kind of colour (b) unit of time (c) type of sound (d) push or a pull
29. 29.💪 A box weighs 330 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
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 65 N and to the left with 60 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
32. 32.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
33. 33.💪 A box weighs 130 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
34. 34.💪 A bag has a mass of 23 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
35. 35.💪 Which force is at work: an apple falls down? (a) muscular force (b) friction (c) gravity (d) magnetic force
36. 36.💪 Which force is at work: a rolling ball slows? (a) friction (b) gravity (c) muscular force (d) magnetic force
37. 37.💪 Which force is at work: rain falls to the ground? (a) muscular force (b) gravity (c) friction (d) magnetic force
38. 38.True or false: hitting a cricket ball is a push. (a) True (b) False
39. 39.💪 A bag has a mass of 37 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
40. 40.💪 In a tug of war, one team pulls right with 70 N and the other pulls left with 15 N. What is the size of the net force, in newtons?

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