Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 835 · 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.💪 In which unit do we measure force? (a) litre (L) (b) newton (N) (c) second (s) (d) metre (m)
2. 2.True or false: closing a drawer is a push. (a) False (b) True
3. 3.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) unbalanced (c) doubled (d) gravity
4. 4.Which of these is caused by friction? (a) an apple falls down (b) shoes grip the floor (c) rain falls to the ground (d) a thrown ball comes down
5. 5.Which of these is caused by friction? (a) brakes stop a bicycle (b) an apple falls down (c) a fridge magnet sticks (d) a compass needle turns
6. 6.True or false: pushing a swing is a pull. (a) True (b) False
7. 7.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
8. 8.True or false: pulling a cart is a push. (a) True (b) False
9. 9.💪 Two children push a box to the right, one with 100 N and the other with 25 N. What is the net (total) force on the box, in newtons?
10. 10.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
11. 11.💪 Two children push a box to the right, one with 15 N and the other with 70 N. What is the net (total) force on the box, in newtons?
12. 12.💪 Is closing a drawer a push or a pull? (a) a push (b) a pull
13. 13.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) brakes stop a bicycle (c) rain falls to the ground (d) a compass needle turns
14. 14.💪 Which force is at work: pedalling a cycle? (a) gravity (b) muscular force (c) friction (d) magnetic force
15. 15.💪 Two children push a box to the right, one with 65 N and the other with 50 N. What is the net (total) force on the box, in newtons?
16. 16.💪 Which force is at work: rain falls to the ground? (a) magnetic force (b) friction (c) muscular force (d) gravity
17. 17.Which of these is caused by gravity? (a) shoes grip the floor (b) brakes stop a bicycle (c) a thrown ball comes down (d) a magnet picks up pins
18. 18.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
19. 19.💪 A bag has a mass of 27 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
20. 20.True or false: pulling up your socks is a push. (a) True (b) False
21. 21.💪 In a tug of war, one team pulls right with 40 N and the other pulls left with 10 N. What is the size of the net force, in newtons?
22. 22.True or false: plucking a mango is a push. (a) True (b) False
23. 23.💪 Two children push a box to the right, one with 5 N and the other with 80 N. What is the net (total) force on the box, in newtons?
24. 24.💪 Which can a force NOT do? (a) change its colour (b) change its shape (c) stop it moving (d) start it moving
25. 25.Which of these is caused by gravity? (a) squeezing a lemon (b) a magnet picks up pins (c) a compass needle turns (d) rain falls to the ground
26. 26.💪 Which force is at work: lifting a school bag? (a) gravity (b) magnetic force (c) muscular force (d) friction
27. 27.💪 A cart is pulled to the right with 75 N and to the left with 75 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
28. 28.💪 A force is a … (a) kind of colour (b) type of sound (c) push or a pull (d) unit of time
29. 29.💪 Two children push a box to the right, one with 50 N and the other with 85 N. What is the net (total) force on the box, in newtons?
30. 30.True or false: pushing a trolley is a pull. (a) False (b) True
31. 31.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
32. 32.Which of these is caused by friction? (a) a thrown ball comes down (b) a compass needle turns (c) squeezing a lemon (d) a rolling ball slows
33. 33.💪 Which force is at work: a thrown ball comes down? (a) gravity (b) friction (c) magnetic force (d) muscular force
34. 34.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) friction (c) magnetic force (d) gravity
35. 35.💪 A cart is pulled to the right with 95 N and to the left with 95 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
36. 36.💪 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 right (c) to the left
37. 37.True or false: closing a drawer is a pull. (a) True (b) False
38. 38.💪 A cart is pulled to the right with 40 N and to the left with 40 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
39. 39.💪 In a tug of war, one team pulls left with 25 N and the other pulls right with 5 N. What is the size of the net force, in newtons?
40. 40.💪 Which force is at work: a magnet picks up pins? (a) gravity (b) muscular force (c) magnetic force (d) friction

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