Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 706 · 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) pedalling a cycle (b) rain falls to the ground (c) a magnet picks up pins (d) rubbing hands warms them
2. 2.True or false: closing a drawer is a pull. (a) False (b) True
3. 3.Which of these is caused by gravity? (a) a compass needle turns (b) brakes stop a bicycle (c) a river flows downhill (d) a fridge magnet sticks
4. 4.💪 A force is a … (a) type of sound (b) kind of colour (c) unit of time (d) push or a pull
5. 5.💪 Which force is at work: pedalling a cycle? (a) friction (b) magnetic force (c) muscular force (d) gravity
6. 6.💪 A bag has a mass of 3 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
7. 7.💪 A box weighs 30 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
8. 8.Which of these is caused by gravity? (a) shoes grip the floor (b) brakes stop a bicycle (c) a rolling ball slows (d) a thrown ball comes down
9. 9.💪 Which force is at work: shoes grip the floor? (a) muscular force (b) gravity (c) magnetic force (d) friction
10. 10.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
11. 11.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) muscular force (c) friction (d) gravity
12. 12.💪 A box weighs 80 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
13. 13.💪 In a tug of war, one team pulls left with 10 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
14. 14.💪 Which force is at work: rain falls to the ground? (a) magnetic force (b) friction (c) gravity (d) muscular force
15. 15.💪 Which force is at work: squeezing a lemon? (a) friction (b) magnetic force (c) muscular force (d) gravity
16. 16.💪 Two equal forces push on a box from opposite sides. They are … (a) gravity (b) unbalanced (c) balanced (d) doubled
17. 17.💪 Is pressing a doorbell a push or a pull? (a) a pull (b) a push
18. 18.💪 Two children push a box to the right, one with 55 N and the other with 55 N. What is the net (total) force on the box, in newtons?
19. 19.💪 A box weighs 150 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
20. 20.True or false: pushing a swing is a push. (a) True (b) False
21. 21.Which of these is caused by muscular force? (a) a compass needle turns (b) shoes grip the floor (c) a magnet picks up pins (d) lifting a school bag
22. 22.True or false: pressing a doorbell is a push. (a) True (b) False
23. 23.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
24. 24.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
25. 25.Which of these is caused by muscular force? (a) a river flows downhill (b) pedalling a cycle (c) a magnet picks up pins (d) an apple falls down
26. 26.Which of these is caused by gravity? (a) shoes grip the floor (b) rubbing hands warms them (c) rain falls to the ground (d) lifting a school bag
27. 27.💪 Which force is at work: lifting a school bag? (a) friction (b) muscular force (c) magnetic force (d) gravity
28. 28.💪 In a tug of war, one team pulls right with 25 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
29. 29.True or false: pushing a swing is a pull. (a) True (b) False
30. 30.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
31. 31.💪 Which force is at work: brakes stop a bicycle? (a) friction (b) muscular force (c) gravity (d) magnetic force
32. 32.True or false: kicking a football is a push. (a) True (b) False
33. 33.💪 A bag has a mass of 23 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
34. 34.💪 Which force is at work: an apple falls down? (a) magnetic force (b) muscular force (c) gravity (d) friction
35. 35.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
36. 36.💪 Which can a force NOT do? (a) change its shape (b) stop it moving (c) change its colour (d) start it moving
37. 37.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
38. 38.💪 A cart is pulled to the right with 30 N and to the left with 20 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
39. 39.True or false: plucking a mango is a pull. (a) False (b) True
40. 40.💪 Two children push a box to the right, one with 10 N and the other with 90 N. What is the net (total) force on the box, in newtons?

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