Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 783 · 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 20 N and the other with 50 N. What is the net (total) force on the box, in newtons?
2. 2.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
3. 3.True or false: plucking a mango is a push. (a) True (b) False
4. 4.💪 A box weighs 130 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
5. 5.💪 Two children push a box to the right, one with 50 N and the other with 40 N. What is the net (total) force on the box, in newtons?
6. 6.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
7. 7.True or false: a tug of war is a pull. (a) True (b) False
8. 8.💪 Which force is at work: shoes grip the floor? (a) muscular force (b) gravity (c) magnetic force (d) friction
9. 9.True or false: drawing up a well bucket is a pull. (a) False (b) True
10. 10.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
11. 11.True or false: opening a drawer is a pull. (a) False (b) True
12. 12.💪 Two children push a box to the right, one with 85 N and the other with 10 N. What is the net (total) force on the box, in newtons?
13. 13.💪 A box weighs 400 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
14. 14.True or false: hitting a cricket ball is a pull. (a) True (b) False
15. 15.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) gravity (c) doubled (d) unbalanced
16. 16.💪 In a tug of war, one team pulls left with 35 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
17. 17.💪 Which can a force NOT do? (a) change its shape (b) start it moving (c) stop it moving (d) change its colour
18. 18.💪 A bag has a mass of 27 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
19. 19.💪 A force is a … (a) unit of time (b) push or a pull (c) kind of colour (d) type of sound
20. 20.💪 Two children push a box to the right, one with 90 N and the other with 15 N. What is the net (total) force on the box, in newtons?
21. 21.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
22. 22.💪 In which unit do we measure force? (a) metre (m) (b) second (s) (c) litre (L) (d) newton (N)
23. 23.Which of these is caused by gravity? (a) a compass needle turns (b) squeezing a lemon (c) a fridge magnet sticks (d) an apple falls down
24. 24.💪 A bag has a mass of 7 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
25. 25.True or false: pulling a cart is a pull. (a) True (b) False
26. 26.💪 In a tug of war, one team pulls right with 10 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
27. 27.True or false: closing a drawer is a pull. (a) False (b) True
28. 28.💪 Which force is at work: squeezing a lemon? (a) friction (b) magnetic force (c) gravity (d) muscular force
29. 29.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
30. 30.💪 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?
31. 31.💪 Which force pulls everything towards the Earth? (a) friction (b) gravity (c) magnetism (d) wind
32. 32.💪 In a tug of war, one team pulls left with 95 N and the other pulls right with 45 N. What is the size of the net force, in newtons?
33. 33.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
34. 34.💪 Which force is at work: a river flows downhill? (a) gravity (b) muscular force (c) magnetic force (d) friction
35. 35.💪 Two children push a box to the right, one with 35 N and the other with 30 N. What is the net (total) force on the box, in newtons?
36. 36.Which of these is caused by gravity? (a) squeezing a lemon (b) brakes stop a bicycle (c) a thrown ball comes down (d) pedalling a cycle
37. 37.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
38. 38.💪 In a tug of war, one team pulls left with 60 N and the other pulls right with 55 N. What is the size of the net force, in newtons?
39. 39.💪 In a tug of war, one team pulls left with 20 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
40. 40.💪 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

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