Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 893 · 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 magnetic force? (a) a compass needle turns (b) brakes stop a bicycle (c) rubbing hands warms them (d) a thrown ball comes down
2. 2.💪 Which force pulls everything towards the Earth? (a) magnetism (b) gravity (c) friction (d) wind
3. 3.💪 Two children push a box to the right, one with 35 N and the other with 65 N. What is the net (total) force on the box, in newtons?
4. 4.💪 Two children push a box to the right, one with 40 N and the other with 100 N. What is the net (total) force on the box, in newtons?
5. 5.💪 A bag has a mass of 26 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
6. 6.💪 Two children push a box to the right, one with 90 N and the other with 65 N. What is the net (total) force on the box, in newtons?
7. 7.💪 Which force is at work: rain falls to the ground? (a) friction (b) magnetic force (c) gravity (d) muscular force
8. 8.💪 Which force is at work: brakes stop a bicycle? (a) muscular force (b) gravity (c) friction (d) magnetic force
9. 9.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) gravity (c) muscular force (d) friction
10. 10.💪 Two children push a box to the right, one with 5 N and the other with 5 N. What is the net (total) force on the box, in newtons?
11. 11.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
12. 12.💪 Which force is at work: a magnet picks up pins? (a) gravity (b) muscular force (c) magnetic force (d) friction
13. 13.True or false: closing a drawer is a pull. (a) False (b) True
14. 14.True or false: pushing a trolley is a pull. (a) True (b) False
15. 15.Which of these is caused by muscular force? (a) a compass needle turns (b) pedalling a cycle (c) a magnet picks up pins (d) an apple falls down
16. 16.💪 Two children push a box to the right, one with 5 N and the other with 40 N. What is the net (total) force on the box, in newtons?
17. 17.💪 Which force is at work: lifting a school bag? (a) muscular force (b) friction (c) magnetic force (d) gravity
18. 18.💪 Which can a force NOT do? (a) change its shape (b) change its colour (c) start it moving (d) stop it moving
19. 19.True or false: pulling up your socks is a push. (a) False (b) True
20. 20.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
21. 21.💪 A box weighs 250 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
22. 22.Which of these is caused by gravity? (a) rain falls to the ground (b) shoes grip the floor (c) a fridge magnet sticks (d) rubbing hands warms them
23. 23.💪 Which force is at work: squeezing a lemon? (a) gravity (b) friction (c) magnetic force (d) muscular force
24. 24.True or false: a tug of war is a push. (a) True (b) False
25. 25.💪 A cart is pulled to the right with 70 N and to the left with 65 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
26. 26.True or false: kicking a football is a pull. (a) True (b) False
27. 27.True or false: plucking a mango is a push. (a) True (b) False
28. 28.True or false: pushing a trolley is a push. (a) False (b) True
29. 29.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
30. 30.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
31. 31.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
32. 32.💪 A force is a … (a) kind of colour (b) push or a pull (c) unit of time (d) type of sound
33. 33.💪 Which force is at work: a thrown ball comes down? (a) gravity (b) magnetic force (c) friction (d) muscular force
34. 34.💪 Two children push a box to the right, one with 20 N and the other with 70 N. What is the net (total) force on the box, in newtons?
35. 35.True or false: pressing a doorbell is a pull. (a) True (b) False
36. 36.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) magnetic force (c) friction (d) muscular force
37. 37.💪 In a tug of war, one team pulls left with 20 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
38. 38.💪 Which force is at work: an apple falls down? (a) friction (b) magnetic force (c) muscular force (d) gravity
39. 39.💪 Which force is at work: a compass needle turns? (a) muscular force (b) gravity (c) friction (d) magnetic force
40. 40.True or false: drawing up a well bucket is a push. (a) False (b) True

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