Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 823 · 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: hitting a cricket ball is a push. (a) False (b) True
2. 2.💪 Which force is at work: rain falls to the ground? (a) friction (b) muscular force (c) gravity (d) magnetic force
3. 3.Which of these is caused by magnetic force? (a) a thrown ball comes down (b) a compass needle turns (c) lifting a school bag (d) an apple falls down
4. 4.💪 In a tug of war, one team pulls right with 20 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
5. 5.💪 In a tug of war, one team pulls right with 50 N and the other pulls left with 15 N. What is the size of the net force, in newtons?
6. 6.💪 A force is a … (a) type of sound (b) unit of time (c) kind of colour (d) push or a pull
7. 7.True or false: a tug of war is a push. (a) False (b) True
8. 8.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
9. 9.True or false: drawing up a well bucket is a pull. (a) True (b) False
10. 10.Which of these is caused by gravity? (a) pedalling a cycle (b) a rolling ball slows (c) rain falls to the ground (d) squeezing a lemon
11. 11.💪 Is hitting a cricket ball a push or a pull? (a) a pull (b) a push
12. 12.Which of these is caused by gravity? (a) shoes grip the floor (b) a river flows downhill (c) a rolling ball slows (d) a fridge magnet sticks
13. 13.True or false: plucking a mango is a push. (a) False (b) True
14. 14.Which of these is caused by gravity? (a) an apple falls down (b) squeezing a lemon (c) pedalling a cycle (d) a magnet picks up pins
15. 15.Which of these is caused by muscular force? (a) lifting a school bag (b) a river flows downhill (c) a rolling ball slows (d) a thrown ball comes down
16. 16.💪 A cart is pulled to the right with 65 N and to the left with 75 N. Which way does the net force act? (a) to the right (b) to the left (c) no net force
17. 17.💪 Which force is at work: a rolling ball slows? (a) friction (b) magnetic force (c) muscular force (d) gravity
18. 18.💪 In a tug of war, one team pulls right with 65 N and the other pulls left with 60 N. What is the size of the net force, in newtons?
19. 19.💪 Which force pulls everything towards the Earth? (a) friction (b) wind (c) gravity (d) magnetism
20. 20.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
21. 21.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
22. 22.True or false: pulling up your socks is a push. (a) False (b) True
23. 23.True or false: opening a drawer is a pull. (a) False (b) True
24. 24.True or false: pushing a trolley is a pull. (a) False (b) True
25. 25.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
26. 26.💪 A cart is pulled to the right with 100 N and to the left with 95 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
27. 27.💪 Which force is at work: pedalling a cycle? (a) magnetic force (b) gravity (c) muscular force (d) friction
28. 28.True or false: closing a drawer is a push. (a) True (b) False
29. 29.💪 Is a tug of war a push or a pull? (a) a push (b) a pull
30. 30.💪 Which can a force NOT do? (a) change its shape (b) start it moving (c) change its colour (d) stop it moving
31. 31.💪 Which force is at work: a fridge magnet sticks? (a) gravity (b) muscular force (c) magnetic force (d) friction
32. 32.💪 A cart is pulled to the right with 75 N and to the left with 85 N. Which way does the net force act? (a) no net force (b) to the right (c) to the left
33. 33.💪 A cart is pulled to the right with 35 N and to the left with 30 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
34. 34.💪 A bag has a mass of 44 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
35. 35.True or false: pulling a cart is a pull. (a) False (b) True
36. 36.💪 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) no net force (c) to the left
37. 37.💪 Two children push a box to the right, one with 90 N and the other with 20 N. What is the net (total) force on the box, in newtons?
38. 38.💪 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) to the right (b) to the left (c) no net force
39. 39.True or false: plucking a mango is a pull. (a) False (b) True
40. 40.💪 Which force is at work: a river flows downhill? (a) friction (b) magnetic force (c) muscular force (d) gravity

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