Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 816 · 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 of these is caused by muscular force? (a) an apple falls down (b) squeezing a lemon (c) brakes stop a bicycle (d) rain falls to the ground
2. 2.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
3. 3.💪 In a tug of war, one team pulls left with 30 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
4. 4.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
5. 5.True or false: pressing a doorbell is a pull. (a) False (b) True
6. 6.Which of these is caused by muscular force? (a) a river flows downhill (b) a magnet picks up pins (c) pedalling a cycle (d) an apple falls down
7. 7.True or false: plucking a mango is a push. (a) False (b) True
8. 8.💪 Two children push a box to the right, one with 40 N and the other with 45 N. What is the net (total) force on the box, in newtons?
9. 9.💪 Two children push a box to the right, one with 65 N and the other with 50 N. What is the net (total) force on the box, in newtons?
10. 10.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) gravity (c) balanced (d) unbalanced
11. 11.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
12. 12.💪 Two children push a box to the right, one with 15 N and the other with 70 N. What is the net (total) force on the box, in newtons?
13. 13.True or false: pulling up your socks is a push. (a) False (b) True
14. 14.💪 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?
15. 15.True or false: kicking a football is a push. (a) False (b) True
16. 16.💪 Two children push a box to the right, one with 70 N and the other with 5 N. What is the net (total) force on the box, in newtons?
17. 17.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) gravity (c) friction (d) magnetic force
18. 18.True or false: hitting a cricket ball is a push. (a) True (b) False
19. 19.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) gravity (c) muscular force (d) friction
20. 20.💪 Which force is at work: brakes stop a bicycle? (a) muscular force (b) friction (c) gravity (d) magnetic force
21. 21.💪 Which force pulls everything towards the Earth? (a) gravity (b) wind (c) friction (d) magnetism
22. 22.True or false: pushing a swing is a pull. (a) False (b) True
23. 23.💪 Two children push a box to the right, one with 25 N and the other with 95 N. What is the net (total) force on the box, in newtons?
24. 24.💪 A bag has a mass of 54 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
25. 25.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
26. 26.Which of these is caused by gravity? (a) a fridge magnet sticks (b) an apple falls down (c) a magnet picks up pins (d) brakes stop a bicycle
27. 27.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
28. 28.💪 Which force is at work: a river flows downhill? (a) gravity (b) muscular force (c) magnetic force (d) friction
29. 29.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
30. 30.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
31. 31.💪 A box weighs 490 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
32. 32.💪 A cart is pulled to the right with 50 N and to the left with 55 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
33. 33.Which of these is caused by friction? (a) an apple falls down (b) squeezing a lemon (c) a rolling ball slows (d) lifting a school bag
34. 34.💪 Two children push a box to the right, one with 30 N and the other with 10 N. What is the net (total) force on the box, in newtons?
35. 35.💪 In which unit do we measure force? (a) metre (m) (b) litre (L) (c) newton (N) (d) second (s)
36. 36.Which of these is caused by friction? (a) lifting a school bag (b) a compass needle turns (c) pedalling a cycle (d) brakes stop a bicycle
37. 37.💪 A box weighs 550 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
38. 38.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
39. 39.💪 A bag has a mass of 39 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
40. 40.💪 A bag has a mass of 28 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?

Free engineering lessons, practice and worksheets at talentjr.in/engineering-for-kids