Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 453 · 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.💪 A bag has a mass of 39 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
2. 2.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
3. 3.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) gravity (c) doubled (d) unbalanced
4. 4.True or false: closing a drawer is a push. (a) False (b) True
5. 5.True or false: kicking a football is a pull. (a) True (b) False
6. 6.💪 Which force is at work: an apple falls down? (a) muscular force (b) gravity (c) friction (d) magnetic force
7. 7.💪 A bag has a mass of 29 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
8. 8.True or false: pressing a doorbell is a pull. (a) False (b) True
9. 9.💪 Which force pulls everything towards the Earth? (a) magnetism (b) gravity (c) friction (d) wind
10. 10.💪 In a tug of war, one team pulls left with 50 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
11. 11.💪 In a tug of war, one team pulls left with 25 N and the other pulls right with 20 N. What is the size of the net force, in newtons?
12. 12.💪 A cart is pulled to the right with 20 N and to the left with 15 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
13. 13.💪 A box weighs 580 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
14. 14.💪 A bag has a mass of 2 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
15. 15.💪 Which force is at work: shoes grip the floor? (a) gravity (b) muscular force (c) magnetic force (d) friction
16. 16.💪 Which force is at work: brakes stop a bicycle? (a) friction (b) gravity (c) magnetic force (d) muscular force
17. 17.💪 A force is a … (a) unit of time (b) push or a pull (c) kind of colour (d) type of sound
18. 18.Which of these is caused by friction? (a) lifting a school bag (b) brakes stop a bicycle (c) a thrown ball comes down (d) pedalling a cycle
19. 19.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
20. 20.💪 Two children push a box to the right, one with 20 N and the other with 10 N. What is the net (total) force on the box, in newtons?
21. 21.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
22. 22.True or false: pressing a doorbell is a push. (a) True (b) False
23. 23.💪 In a tug of war, one team pulls left with 80 N and the other pulls right with 60 N. What is the size of the net force, in newtons?
24. 24.💪 Which force is at work: a river flows downhill? (a) friction (b) gravity (c) muscular force (d) magnetic force
25. 25.💪 In a tug of war, one team pulls right with 70 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
26. 26.💪 A bag has a mass of 43 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
27. 27.True or false: pulling up your socks is a push. (a) True (b) False
28. 28.True or false: drawing up a well bucket is a push. (a) False (b) True
29. 29.True or false: a tug of war is a pull. (a) True (b) False
30. 30.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
31. 31.💪 A cart is pulled to the right with 75 N and to the left with 70 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
32. 32.💪 Which force is at work: pedalling a cycle? (a) friction (b) magnetic force (c) muscular force (d) gravity
33. 33.💪 Two children push a box to the right, one with 100 N and the other with 5 N. What is the net (total) force on the box, in newtons?
34. 34.Which of these is caused by gravity? (a) a fridge magnet sticks (b) pedalling a cycle (c) a compass needle turns (d) an apple falls down
35. 35.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) gravity (c) friction (d) magnetic force
36. 36.Which of these is caused by gravity? (a) pedalling a cycle (b) a fridge magnet sticks (c) a rolling ball slows (d) a river flows downhill
37. 37.Which of these is caused by muscular force? (a) a thrown ball comes down (b) rubbing hands warms them (c) lifting a school bag (d) an apple falls down
38. 38.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
39. 39.💪 Which force is at work: a thrown ball comes down? (a) muscular force (b) gravity (c) magnetic force (d) friction
40. 40.True or false: plucking a mango is a push. (a) False (b) True

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