Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 466 · 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 55 N and the other with 75 N. What is the net (total) force on the box, in newtons?
2. 2.💪 Which force pulls everything towards the Earth? (a) wind (b) friction (c) gravity (d) magnetism
3. 3.Which of these is caused by gravity? (a) shoes grip the floor (b) brakes stop a bicycle (c) rain falls to the ground (d) rubbing hands warms them
4. 4.True or false: pulling up your socks is a push. (a) True (b) False
5. 5.💪 A box weighs 260 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
6. 6.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
7. 7.True or false: hitting a cricket ball is a pull. (a) True (b) False
8. 8.Which of these is caused by gravity? (a) a fridge magnet sticks (b) brakes stop a bicycle (c) shoes grip the floor (d) a river flows downhill
9. 9.💪 A box weighs 330 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
10. 10.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) muscular force (c) gravity (d) friction
11. 11.Which of these is caused by muscular force? (a) brakes stop a bicycle (b) a rolling ball slows (c) a thrown ball comes down (d) pedalling a cycle
12. 12.True or false: opening a drawer is a push. (a) True (b) False
13. 13.💪 Two children push a box to the right, one with 95 N and the other with 35 N. What is the net (total) force on the box, in newtons?
14. 14.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
15. 15.💪 Which force is at work: an apple falls down? (a) magnetic force (b) friction (c) muscular force (d) gravity
16. 16.💪 A bag has a mass of 5 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
17. 17.💪 A box weighs 140 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
18. 18.💪 A cart is pulled to the right with 35 N and to the left with 45 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
19. 19.💪 In which unit do we measure force? (a) litre (L) (b) second (s) (c) metre (m) (d) newton (N)
20. 20.💪 Two children push a box to the right, one with 10 N and the other with 10 N. What is the net (total) force on the box, in newtons?
21. 21.💪 A box weighs 350 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
22. 22.True or false: pushing a swing is a pull. (a) True (b) False
23. 23.💪 Two children push a box to the right, one with 50 N and the other with 80 N. What is the net (total) force on the box, in newtons?
24. 24.💪 Which force is at work: a compass needle turns? (a) muscular force (b) friction (c) magnetic force (d) gravity
25. 25.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) friction (c) muscular force (d) magnetic force
26. 26.💪 A bag has a mass of 50 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
27. 27.💪 Which force is at work: rubbing hands warms them? (a) magnetic force (b) muscular force (c) gravity (d) friction
28. 28.💪 Which force is at work: squeezing a lemon? (a) friction (b) muscular force (c) gravity (d) magnetic force
29. 29.Which of these is caused by friction? (a) an apple falls down (b) a rolling ball slows (c) a river flows downhill (d) lifting a school bag
30. 30.True or false: kicking a football is a pull. (a) True (b) False
31. 31.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
32. 32.💪 In a tug of war, one team pulls left with 100 N and the other pulls right with 35 N. What is the size of the net force, in newtons?
33. 33.True or false: pulling up your socks is a pull. (a) False (b) True
34. 34.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
35. 35.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
36. 36.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) balanced (c) gravity (d) doubled
37. 37.💪 A box weighs 60 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
38. 38.True or false: a tug of war is a pull. (a) True (b) False
39. 39.💪 Two children push a box to the right, one with 70 N and the other with 65 N. What is the net (total) force on the box, in newtons?
40. 40.True or false: plucking a mango is a push. (a) True (b) False

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