Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 959 · 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.True or false: kicking a football is a pull. (a) False (b) True
2. 2.💪 Which force is at work: a compass needle turns? (a) muscular force (b) friction (c) gravity (d) magnetic force
3. 3.💪 In a tug of war, one team pulls left with 30 N and the other pulls right with 25 N. What is the size of the net force, in newtons?
4. 4.💪 In a tug of war, one team pulls left with 45 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
5. 5.💪 Which force is at work: a fridge magnet sticks? (a) muscular force (b) magnetic force (c) gravity (d) friction
6. 6.Which of these is caused by muscular force? (a) squeezing a lemon (b) a magnet picks up pins (c) shoes grip the floor (d) brakes stop a bicycle
7. 7.💪 A box weighs 200 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
8. 8.💪 A force is a … (a) push or a pull (b) unit of time (c) type of sound (d) kind of colour
9. 9.True or false: drawing up a well bucket is a push. (a) True (b) False
10. 10.💪 A bag has a mass of 28 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
11. 11.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) muscular force (c) gravity (d) friction
12. 12.💪 A cart is pulled to the right with 45 N and to the left with 55 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
13. 13.True or false: pushing a swing is a push. (a) True (b) False
14. 14.💪 A box weighs 530 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
15. 15.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
16. 16.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) doubled (c) balanced (d) gravity
17. 17.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
18. 18.Which of these is caused by magnetic force? (a) a compass needle turns (b) squeezing a lemon (c) brakes stop a bicycle (d) a river flows downhill
19. 19.💪 A cart is pulled to the right with 55 N and to the left with 65 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
20. 20.Which of these is caused by friction? (a) pedalling a cycle (b) rubbing hands warms them (c) an apple falls down (d) a compass needle turns
21. 21.💪 In which unit do we measure force? (a) metre (m) (b) newton (N) (c) second (s) (d) litre (L)
22. 22.💪 Which force is at work: rain falls to the ground? (a) muscular force (b) friction (c) gravity (d) magnetic force
23. 23.💪 A cart is pulled to the right with 65 N and to the left with 60 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
24. 24.💪 Two children push a box to the right, one with 15 N and the other with 85 N. What is the net (total) force on the box, in newtons?
25. 25.💪 Which force is at work: shoes grip the floor? (a) gravity (b) muscular force (c) magnetic force (d) friction
26. 26.💪 Two children push a box to the right, one with 15 N and the other with 35 N. What is the net (total) force on the box, in newtons?
27. 27.True or false: pulling a cart is a push. (a) True (b) False
28. 28.True or false: drawing up a well bucket is a pull. (a) True (b) False
29. 29.💪 In a tug of war, one team pulls right with 90 N and the other pulls left with 80 N. What is the size of the net force, in newtons?
30. 30.💪 A cart is pulled to the right with 35 N and to the left with 40 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
31. 31.💪 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?
32. 32.True or false: opening a drawer is a push. (a) True (b) False
33. 33.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
34. 34.💪 A cart is pulled to the right with 60 N and to the left with 70 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
35. 35.💪 Two children push a box to the right, one with 20 N and the other with 55 N. What is the net (total) force on the box, in newtons?
36. 36.💪 A bag has a mass of 17 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
37. 37.True or false: plucking a mango is a push. (a) True (b) False
38. 38.💪 A cart is pulled to the right with 70 N and to the left with 75 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
39. 39.Which of these is caused by gravity? (a) a fridge magnet sticks (b) a rolling ball slows (c) rain falls to the ground (d) brakes stop a bicycle
40. 40.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull

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