Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 858 · 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: opening a drawer is a pull. (a) False (b) True
2. 2.💪 Which force pulls everything towards the Earth? (a) wind (b) magnetism (c) gravity (d) friction
3. 3.💪 A box weighs 580 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
4. 4.💪 A box weighs 290 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
5. 5.💪 Which force is at work: rain falls to the ground? (a) gravity (b) muscular force (c) friction (d) magnetic force
6. 6.💪 A cart is pulled to the right with 80 N and to the left with 75 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
7. 7.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) unbalanced (c) gravity (d) doubled
8. 8.True or false: pulling a cart is a push. (a) False (b) True
9. 9.💪 Two children push a box to the right, one with 15 N and the other with 25 N. What is the net (total) force on the box, in newtons?
10. 10.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
11. 11.💪 Two children push a box to the right, one with 45 N and the other with 55 N. What is the net (total) force on the box, in newtons?
12. 12.💪 Which force is at work: lifting a school bag? (a) gravity (b) muscular force (c) magnetic force (d) friction
13. 13.💪 A cart is pulled to the right with 20 N and to the left with 35 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
14. 14.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
15. 15.True or false: hitting a cricket ball is a push. (a) False (b) True
16. 16.💪 Which force is at work: a river flows downhill? (a) friction (b) muscular force (c) gravity (d) magnetic force
17. 17.💪 Which force is at work: an apple falls down? (a) magnetic force (b) muscular force (c) gravity (d) friction
18. 18.💪 A cart is pulled to the right with 70 N and to the left with 60 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
19. 19.💪 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?
20. 20.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
21. 21.💪 In a tug of war, one team pulls right with 50 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
22. 22.True or false: a tug of war is a push. (a) True (b) False
23. 23.Which of these is caused by friction? (a) an apple falls down (b) pedalling a cycle (c) a fridge magnet sticks (d) a rolling ball slows
24. 24.💪 In a tug of war, one team pulls right with 30 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
25. 25.💪 Which force is at work: pedalling a cycle? (a) gravity (b) muscular force (c) magnetic force (d) friction
26. 26.💪 A box weighs 270 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
27. 27.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) a river flows downhill (c) a magnet picks up pins (d) an apple falls down
28. 28.💪 In a tug of war, one team pulls left with 75 N and the other pulls right with 55 N. What is the size of the net force, in newtons?
29. 29.True or false: drawing up a well bucket is a push. (a) True (b) False
30. 30.💪 A force is a … (a) type of sound (b) unit of time (c) push or a pull (d) kind of colour
31. 31.💪 A bag has a mass of 22 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
32. 32.💪 In which unit do we measure force? (a) litre (L) (b) newton (N) (c) second (s) (d) metre (m)
33. 33.💪 Which force is at work: squeezing a lemon? (a) gravity (b) muscular force (c) friction (d) magnetic force
34. 34.💪 Is pushing a trolley a push or a pull? (a) a push (b) a pull
35. 35.True or false: opening a drawer is a push. (a) False (b) True
36. 36.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
37. 37.Which of these is caused by muscular force? (a) pedalling a cycle (b) a magnet picks up pins (c) rain falls to the ground (d) a thrown ball comes down
38. 38.💪 Two children push a box to the right, one with 50 N and the other with 15 N. What is the net (total) force on the box, in newtons?
39. 39.💪 Two children push a box to the right, one with 5 N and the other with 20 N. What is the net (total) force on the box, in newtons?
40. 40.True or false: a tug of war is a pull. (a) False (b) True

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