Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 207 · 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.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
2. 2.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
3. 3.True or false: pressing a doorbell is a push. (a) True (b) False
4. 4.💪 In a tug of war, one team pulls right with 65 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
5. 5.True or false: plucking a mango is a push. (a) False (b) True
6. 6.Which of these is caused by friction? (a) a river flows downhill (b) a thrown ball comes down (c) pedalling a cycle (d) rubbing hands warms them
7. 7.💪 A cart is pulled to the right with 95 N and to the left with 80 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
8. 8.💪 Which force is at work: pedalling a cycle? (a) gravity (b) muscular force (c) magnetic force (d) friction
9. 9.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
10. 10.💪 Which can a force NOT do? (a) start it moving (b) change its shape (c) change its colour (d) stop it moving
11. 11.💪 In a tug of war, one team pulls right with 45 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
12. 12.💪 Is pushing a swing a push or a pull? (a) a pull (b) a push
13. 13.💪 A box weighs 300 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
14. 14.💪 Which force is at work: a river flows downhill? (a) muscular force (b) gravity (c) magnetic force (d) friction
15. 15.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) gravity (c) doubled (d) unbalanced
16. 16.💪 Which force is at work: a thrown ball comes down? (a) gravity (b) friction (c) muscular force (d) magnetic force
17. 17.💪 Which force pulls everything towards the Earth? (a) wind (b) magnetism (c) friction (d) gravity
18. 18.💪 A bag has a mass of 1 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
19. 19.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
20. 20.True or false: a tug of war is a pull. (a) True (b) False
21. 21.Which of these is caused by muscular force? (a) rubbing hands warms them (b) rain falls to the ground (c) pedalling a cycle (d) a river flows downhill
22. 22.💪 A bag has a mass of 53 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
23. 23.💪 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?
24. 24.True or false: plucking a mango is a pull. (a) False (b) True
25. 25.Which of these is caused by friction? (a) brakes stop a bicycle (b) pedalling a cycle (c) lifting a school bag (d) a compass needle turns
26. 26.Which of these is caused by gravity? (a) a rolling ball slows (b) rubbing hands warms them (c) rain falls to the ground (d) pedalling a cycle
27. 27.💪 Which force is at work: a magnet picks up pins? (a) friction (b) magnetic force (c) gravity (d) muscular force
28. 28.💪 In a tug of war, one team pulls left with 45 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
29. 29.💪 A cart is pulled to the right with 85 N and to the left with 90 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
30. 30.True or false: kicking a football is a pull. (a) False (b) True
31. 31.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) a fridge magnet sticks (c) brakes stop a bicycle (d) an apple falls down
32. 32.💪 A box weighs 60 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
33. 33.💪 Which force is at work: a rolling ball slows? (a) friction (b) magnetic force (c) muscular force (d) gravity
34. 34.💪 Which force is at work: lifting a school bag? (a) magnetic force (b) gravity (c) friction (d) muscular force
35. 35.💪 Which force is at work: rain falls to the ground? (a) muscular force (b) gravity (c) magnetic force (d) friction
36. 36.💪 A cart is pulled to the right with 95 N and to the left with 110 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
37. 37.Which of these is caused by muscular force? (a) rain falls to the ground (b) brakes stop a bicycle (c) a compass needle turns (d) lifting a school bag
38. 38.Which of these is caused by gravity? (a) a rolling ball slows (b) an apple falls down (c) brakes stop a bicycle (d) a compass needle turns
39. 39.💪 A box weighs 480 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
40. 40.True or false: pushing a trolley is a push. (a) True (b) False

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