Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 670 · 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.💪 Two children push a box to the right, one with 40 N and the other with 35 N. What is the net (total) force on the box, in newtons?
2. 2.True or false: kicking a football is a push. (a) False (b) True
3. 3.True or false: pulling up your socks is a pull. (a) True (b) False
4. 4.💪 In a tug of war, one team pulls right with 40 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
5. 5.Which of these is caused by friction? (a) lifting a school bag (b) a compass needle turns (c) pedalling a cycle (d) shoes grip the floor
6. 6.Which of these is caused by friction? (a) a rolling ball slows (b) a magnet picks up pins (c) a river flows downhill (d) lifting a school bag
7. 7.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) friction (c) gravity (d) muscular force
8. 8.💪 A box weighs 290 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
9. 9.💪 A bag has a mass of 23 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
10. 10.Which of these is caused by magnetic force? (a) lifting a school bag (b) a river flows downhill (c) pedalling a cycle (d) a compass needle turns
11. 11.💪 Two children push a box to the right, one with 30 N and the other with 20 N. What is the net (total) force on the box, in newtons?
12. 12.True or false: plucking a mango is a push. (a) True (b) False
13. 13.Which of these is caused by gravity? (a) rubbing hands warms them (b) brakes stop a bicycle (c) a rolling ball slows (d) rain falls to the ground
14. 14.💪 Which can a force NOT do? (a) stop it moving (b) change its shape (c) start it moving (d) change its colour
15. 15.💪 Which force is at work: lifting a school bag? (a) magnetic force (b) muscular force (c) friction (d) gravity
16. 16.💪 Which force is at work: shoes grip the floor? (a) magnetic force (b) muscular force (c) gravity (d) friction
17. 17.Which of these is caused by magnetic force? (a) an apple falls down (b) a magnet picks up pins (c) a thrown ball comes down (d) squeezing a lemon
18. 18.💪 Which force pulls everything towards the Earth? (a) wind (b) gravity (c) magnetism (d) friction
19. 19.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) gravity (c) balanced (d) doubled
20. 20.💪 A box weighs 10 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
21. 21.True or false: kicking a football is a pull. (a) False (b) True
22. 22.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
23. 23.💪 A cart is pulled to the right with 45 N and to the left with 35 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
24. 24.💪 Which force is at work: a rolling ball slows? (a) muscular force (b) magnetic force (c) friction (d) gravity
25. 25.True or false: pushing a trolley is a push. (a) True (b) False
26. 26.💪 A cart is pulled to the right with 25 N and to the left with 20 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
27. 27.💪 A force is a … (a) unit of time (b) push or a pull (c) type of sound (d) kind of colour
28. 28.Which of these is caused by friction? (a) a magnet picks up pins (b) brakes stop a bicycle (c) pedalling a cycle (d) rain falls to the ground
29. 29.💪 Which force is at work: a fridge magnet sticks? (a) friction (b) gravity (c) muscular force (d) magnetic force
30. 30.💪 Which force is at work: an apple falls down? (a) gravity (b) muscular force (c) magnetic force (d) friction
31. 31.💪 A box weighs 30 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
32. 32.True or false: drawing up a well bucket is a pull. (a) True (b) False
33. 33.True or false: pushing a trolley is a pull. (a) False (b) True
34. 34.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
35. 35.💪 A cart is pulled to the right with 90 N and to the left with 100 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
36. 36.Which of these is caused by magnetic force? (a) brakes stop a bicycle (b) a rolling ball slows (c) a thrown ball comes down (d) a fridge magnet sticks
37. 37.💪 A box weighs 300 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
38. 38.💪 A cart is pulled to the right with 40 N and to the left with 25 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
39. 39.True or false: hitting a cricket ball is a pull. (a) True (b) False
40. 40.💪 A bag has a mass of 55 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?

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