Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 573 · 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.True or false: a tug of war is a pull. (a) False (b) True
2. 2.💪 Which force is at work: an apple falls down? (a) friction (b) magnetic force (c) gravity (d) muscular force
3. 3.💪 Which force is at work: a river flows downhill? (a) gravity (b) muscular force (c) magnetic force (d) friction
4. 4.💪 Two children push a box to the right, one with 100 N and the other with 75 N. What is the net (total) force on the box, in newtons?
5. 5.💪 In a tug of war, one team pulls right with 25 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
6. 6.💪 A cart is pulled to the right with 85 N and to the left with 85 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
7. 7.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
8. 8.Which of these is caused by muscular force? (a) rain falls to the ground (b) squeezing a lemon (c) shoes grip the floor (d) rubbing hands warms them
9. 9.Which of these is caused by friction? (a) lifting a school bag (b) a river flows downhill (c) shoes grip the floor (d) a thrown ball comes down
10. 10.True or false: pushing a trolley is a pull. (a) True (b) False
11. 11.Which of these is caused by gravity? (a) squeezing a lemon (b) a magnet picks up pins (c) a river flows downhill (d) lifting a school bag
12. 12.💪 In which unit do we measure force? (a) litre (L) (b) metre (m) (c) newton (N) (d) second (s)
13. 13.True or false: pressing a doorbell is a push. (a) True (b) False
14. 14.💪 A bag has a mass of 47 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
15. 15.💪 Which force is at work: a thrown ball comes down? (a) muscular force (b) gravity (c) friction (d) magnetic force
16. 16.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
17. 17.💪 Two children push a box to the right, one with 25 N and the other with 15 N. What is the net (total) force on the box, in newtons?
18. 18.💪 A cart is pulled to the right with 75 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
19. 19.💪 Which force pulls everything towards the Earth? (a) friction (b) gravity (c) magnetism (d) wind
20. 20.💪 A bag has a mass of 46 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
21. 21.💪 Which force is at work: pedalling a cycle? (a) gravity (b) magnetic force (c) friction (d) muscular force
22. 22.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
23. 23.💪 Is plucking a mango a push or a pull? (a) a pull (b) a push
24. 24.💪 Which can a force NOT do? (a) change its colour (b) stop it moving (c) change its shape (d) start it moving
25. 25.True or false: a tug of war is a push. (a) True (b) False
26. 26.True or false: pressing a doorbell is a pull. (a) True (b) False
27. 27.💪 Which force is at work: a magnet picks up pins? (a) friction (b) muscular force (c) gravity (d) magnetic force
28. 28.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
29. 29.💪 A cart is pulled to the right with 20 N and to the left with 30 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
30. 30.Which of these is caused by muscular force? (a) an apple falls down (b) lifting a school bag (c) a river flows downhill (d) rubbing hands warms them
31. 31.💪 In a tug of war, one team pulls right with 95 N and the other pulls left with 35 N. What is the size of the net force, in newtons?
32. 32.💪 Which force is at work: rain falls to the ground? (a) magnetic force (b) gravity (c) friction (d) muscular force
33. 33.💪 In a tug of war, one team pulls left with 10 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
34. 34.💪 Which force is at work: a rolling ball slows? (a) magnetic force (b) friction (c) gravity (d) muscular force
35. 35.💪 A force is a … (a) kind of colour (b) type of sound (c) unit of time (d) push or a pull
36. 36.True or false: opening a drawer is a pull. (a) False (b) True
37. 37.💪 Two children push a box to the right, one with 75 N and the other with 25 N. What is the net (total) force on the box, in newtons?
38. 38.💪 A bag has a mass of 35 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
39. 39.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) gravity (c) balanced (d) doubled
40. 40.💪 Is kicking a football a push or a pull? (a) a pull (b) a push

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