Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 116 · 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.True or false: pushing a swing is a push. (a) False (b) True
3. 3.💪 Which force pulls everything towards the Earth? (a) gravity (b) friction (c) wind (d) magnetism
4. 4.Which of these is caused by gravity? (a) a thrown ball comes down (b) lifting a school bag (c) shoes grip the floor (d) a rolling ball slows
5. 5.💪 Is hitting a cricket ball a push or a pull? (a) a push (b) a pull
6. 6.💪 Which force is at work: a thrown ball comes down? (a) muscular force (b) friction (c) gravity (d) magnetic force
7. 7.💪 In a tug of war, one team pulls left with 20 N and the other pulls right with 10 N. What is the size of the net force, in newtons?
8. 8.Which of these is caused by muscular force? (a) pedalling a cycle (b) shoes grip the floor (c) rain falls to the ground (d) a fridge magnet sticks
9. 9.💪 Which force is at work: a rolling ball slows? (a) magnetic force (b) friction (c) muscular force (d) gravity
10. 10.Which of these is caused by magnetic force? (a) pedalling a cycle (b) brakes stop a bicycle (c) lifting a school bag (d) a magnet picks up pins
11. 11.True or false: pulling a cart is a pull. (a) False (b) True
12. 12.Which of these is caused by friction? (a) squeezing a lemon (b) shoes grip the floor (c) a river flows downhill (d) an apple falls down
13. 13.💪 Which force is at work: lifting a school bag? (a) gravity (b) muscular force (c) magnetic force (d) friction
14. 14.💪 Which force is at work: brakes stop a bicycle? (a) friction (b) gravity (c) magnetic force (d) muscular force
15. 15.Which of these is caused by magnetic force? (a) a fridge magnet sticks (b) a river flows downhill (c) a thrown ball comes down (d) a rolling ball slows
16. 16.True or false: pulling a cart is a push. (a) False (b) True
17. 17.💪 Two children push a box to the right, one with 5 N and the other with 25 N. What is the net (total) force on the box, in newtons?
18. 18.True or false: closing a drawer is a pull. (a) False (b) True
19. 19.💪 Which force is at work: squeezing a lemon? (a) magnetic force (b) muscular force (c) gravity (d) friction
20. 20.💪 Is closing a drawer a push or a pull? (a) a pull (b) a push
21. 21.Which of these is caused by gravity? (a) a fridge magnet sticks (b) rain falls to the ground (c) shoes grip the floor (d) pedalling a cycle
22. 22.💪 Two equal forces push on a box from opposite sides. They are … (a) unbalanced (b) doubled (c) gravity (d) balanced
23. 23.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
24. 24.True or false: kicking a football is a push. (a) False (b) True
25. 25.True or false: pressing a doorbell is a pull. (a) False (b) True
26. 26.💪 A bag has a mass of 2 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
27. 27.💪 Is opening a drawer a push or a pull? (a) a push (b) a pull
28. 28.💪 A cart is pulled to the right with 70 N and to the left with 80 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
29. 29.True or false: pushing a swing is a pull. (a) True (b) False
30. 30.💪 Two children push a box to the right, one with 20 N and the other with 45 N. What is the net (total) force on the box, in newtons?
31. 31.True or false: hitting a cricket ball is a pull. (a) True (b) False
32. 32.💪 Which force is at work: rubbing hands warms them? (a) magnetic force (b) muscular force (c) friction (d) gravity
33. 33.💪 Which force is at work: a fridge magnet sticks? (a) magnetic force (b) gravity (c) friction (d) muscular force
34. 34.💪 In which unit do we measure force? (a) metre (m) (b) second (s) (c) newton (N) (d) litre (L)
35. 35.Which of these is caused by friction? (a) a thrown ball comes down (b) lifting a school bag (c) a fridge magnet sticks (d) rubbing hands warms them
36. 36.💪 A bag has a mass of 44 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
37. 37.💪 Which force is at work: a magnet picks up pins? (a) friction (b) muscular force (c) magnetic force (d) gravity
38. 38.💪 A bag has a mass of 55 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
39. 39.💪 A bag has a mass of 38 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
40. 40.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) gravity (c) friction (d) muscular force

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