Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 459 · 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) squeezing a lemon (b) a magnet picks up pins (c) brakes stop a bicycle (d) an apple falls down
2. 2.True or false: pulling a cart is a pull. (a) True (b) False
3. 3.💪 A bag has a mass of 19 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
4. 4.True or false: kicking a football is a push. (a) False (b) True
5. 5.💪 A force is a … (a) type of sound (b) kind of colour (c) push or a pull (d) unit of time
6. 6.💪 A cart is pulled to the right with 55 N and to the left with 45 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
7. 7.💪 A cart is pulled to the right with 100 N and to the left with 95 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
8. 8.💪 Two children push a box to the right, one with 20 N and the other with 100 N. What is the net (total) force on the box, in newtons?
9. 9.True or false: opening a drawer is a push. (a) False (b) True
10. 10.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
11. 11.💪 Which force is at work: squeezing a lemon? (a) muscular force (b) magnetic force (c) friction (d) gravity
12. 12.💪 A bag has a mass of 18 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
13. 13.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) gravity (c) muscular force (d) friction
14. 14.True or false: pressing a doorbell is a push. (a) True (b) False
15. 15.True or false: pulling up your socks is a pull. (a) False (b) True
16. 16.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) magnetic force (c) friction (d) muscular force
17. 17.💪 In a tug of war, one team pulls right with 75 N and the other pulls left with 70 N. What is the size of the net force, in newtons?
18. 18.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) muscular force (c) friction (d) gravity
19. 19.True or false: pressing a doorbell is a pull. (a) True (b) False
20. 20.💪 Which force is at work: a rolling ball slows? (a) gravity (b) friction (c) muscular force (d) magnetic force
21. 21.💪 A bag has a mass of 11 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
22. 22.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
23. 23.💪 A cart is pulled to the right with 50 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
24. 24.💪 A box weighs 490 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
25. 25.Which of these is caused by muscular force? (a) rain falls to the ground (b) a compass needle turns (c) a thrown ball comes down (d) pedalling a cycle
26. 26.Which of these is caused by gravity? (a) pedalling a cycle (b) an apple falls down (c) brakes stop a bicycle (d) a compass needle turns
27. 27.True or false: pushing a swing is a push. (a) False (b) True
28. 28.True or false: drawing up a well bucket is a pull. (a) True (b) False
29. 29.💪 Which force is at work: an apple falls down? (a) magnetic force (b) friction (c) muscular force (d) gravity
30. 30.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
31. 31.Which of these is caused by muscular force? (a) shoes grip the floor (b) lifting a school bag (c) a magnet picks up pins (d) rain falls to the ground
32. 32.💪 In a tug of war, one team pulls right with 80 N and the other pulls left with 75 N. What is the size of the net force, in newtons?
33. 33.True or false: pulling up your socks is a push. (a) False (b) True
34. 34.True or false: plucking a mango is a push. (a) True (b) False
35. 35.True or false: opening a drawer is a pull. (a) True (b) False
36. 36.💪 In a tug of war, one team pulls right with 55 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
37. 37.Which of these is caused by gravity? (a) pedalling a cycle (b) shoes grip the floor (c) a river flows downhill (d) rubbing hands warms them
38. 38.💪 A box weighs 70 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
39. 39.💪 Two children push a box to the right, one with 30 N and the other with 45 N. What is the net (total) force on the box, in newtons?
40. 40.💪 Which force is at work: pedalling a cycle? (a) friction (b) muscular force (c) gravity (d) magnetic force

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