Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 275 · 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 force is at work: an apple falls down? (a) gravity (b) muscular force (c) friction (d) magnetic force
2. 2.💪 A force is a … (a) unit of time (b) push or a pull (c) kind of colour (d) type of sound
3. 3.Which of these is caused by muscular force? (a) pedalling a cycle (b) shoes grip the floor (c) a compass needle turns (d) a fridge magnet sticks
4. 4.💪 A cart is pulled to the right with 90 N and to the left with 105 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
5. 5.Which of these is caused by magnetic force? (a) rain falls to the ground (b) a rolling ball slows (c) an apple falls down (d) a fridge magnet sticks
6. 6.💪 Which force is at work: a river flows downhill? (a) friction (b) gravity (c) muscular force (d) magnetic force
7. 7.💪 Which can a force NOT do? (a) change its shape (b) stop it moving (c) start it moving (d) change its colour
8. 8.💪 Two equal forces push on a box from opposite sides. They are … (a) doubled (b) gravity (c) unbalanced (d) balanced
9. 9.💪 Two children push a box to the right, one with 100 N and the other with 20 N. What is the net (total) force on the box, in newtons?
10. 10.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
11. 11.💪 A box weighs 300 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
12. 12.💪 Which force is at work: rain falls to the ground? (a) friction (b) muscular force (c) magnetic force (d) gravity
13. 13.Which of these is caused by gravity? (a) rubbing hands warms them (b) a compass needle turns (c) a fridge magnet sticks (d) a thrown ball comes down
14. 14.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
15. 15.True or false: opening a drawer is a pull. (a) False (b) True
16. 16.💪 Is pushing a trolley a push or a pull? (a) a pull (b) a push
17. 17.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
18. 18.💪 Which force is at work: a fridge magnet sticks? (a) friction (b) gravity (c) muscular force (d) magnetic force
19. 19.Which of these is caused by magnetic force? (a) brakes stop a bicycle (b) rubbing hands warms them (c) squeezing a lemon (d) a magnet picks up pins
20. 20.Which of these is caused by gravity? (a) a magnet picks up pins (b) a rolling ball slows (c) rain falls to the ground (d) squeezing a lemon
21. 21.True or false: pulling up your socks is a push. (a) False (b) True
22. 22.💪 Is a tug of war a push or a pull? (a) a pull (b) a push
23. 23.True or false: drawing up a well bucket is a pull. (a) False (b) True
24. 24.💪 Two children push a box to the right, one with 25 N and the other with 75 N. What is the net (total) force on the box, in newtons?
25. 25.💪 A cart is pulled to the right with 90 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
26. 26.True or false: closing a drawer is a push. (a) False (b) True
27. 27.Which of these is caused by gravity? (a) a river flows downhill (b) a fridge magnet sticks (c) rubbing hands warms them (d) shoes grip the floor
28. 28.💪 A cart is pulled to the right with 55 N and to the left with 40 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
29. 29.💪 In a tug of war, one team pulls left with 70 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
30. 30.💪 Is pulling a cart a push or a pull? (a) a push (b) a pull
31. 31.💪 Which force pulls everything towards the Earth? (a) friction (b) wind (c) magnetism (d) gravity
32. 32.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
33. 33.True or false: pushing a trolley is a pull. (a) True (b) False
34. 34.💪 Which force is at work: a magnet picks up pins? (a) friction (b) magnetic force (c) muscular force (d) gravity
35. 35.💪 A cart is pulled to the right with 50 N and to the left with 55 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
36. 36.💪 A cart is pulled to the right with 65 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
37. 37.Which of these is caused by friction? (a) rubbing hands warms them (b) lifting a school bag (c) rain falls to the ground (d) a magnet picks up pins
38. 38.💪 Is pressing a doorbell a push or a pull? (a) a push (b) a pull
39. 39.True or false: pushing a trolley is a push. (a) True (b) False
40. 40.💪 In which unit do we measure force? (a) litre (L) (b) second (s) (c) metre (m) (d) newton (N)

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