Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 216 · 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.💪 Is kicking a football a push or a pull? (a) a push (b) a pull
2. 2.💪 Which force is at work: a river flows downhill? (a) magnetic force (b) muscular force (c) gravity (d) friction
3. 3.💪 Two equal forces push on a box from opposite sides. They are … (a) balanced (b) doubled (c) unbalanced (d) gravity
4. 4.💪 Which force is at work: an apple falls down? (a) muscular force (b) friction (c) gravity (d) magnetic force
5. 5.Which of these is caused by magnetic force? (a) a magnet picks up pins (b) shoes grip the floor (c) brakes stop a bicycle (d) pedalling a cycle
6. 6.True or false: a tug of war is a push. (a) True (b) False
7. 7.💪 Which force is at work: lifting a school bag? (a) friction (b) gravity (c) muscular force (d) magnetic force
8. 8.💪 A cart is pulled to the right with 85 N and to the left with 90 N. Which way does the net force act? (a) to the left (b) no net force (c) to the right
9. 9.💪 Which force pulls everything towards the Earth? (a) friction (b) wind (c) gravity (d) magnetism
10. 10.True or false: plucking a mango is a pull. (a) False (b) True
11. 11.True or false: pressing a doorbell is a push. (a) False (b) True
12. 12.💪 A cart is pulled to the right with 30 N and to the left with 15 N. Which way does the net force act? (a) no net force (b) to the left (c) to the right
13. 13.True or false: a tug of war is a pull. (a) False (b) True
14. 14.💪 A cart is pulled to the right with 45 N and to the left with 50 N. Which way does the net force act? (a) to the left (b) to the right (c) no net force
15. 15.💪 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?
16. 16.💪 Two children push a box to the right, one with 60 N and the other with 60 N. What is the net (total) force on the box, in newtons?
17. 17.Which of these is caused by muscular force? (a) a thrown ball comes down (b) lifting a school bag (c) rain falls to the ground (d) a compass needle turns
18. 18.💪 A box weighs 370 N. Taking 1 kg to weigh about 10 N, what is its mass in kilograms?
19. 19.True or false: kicking a football is a pull. (a) True (b) False
20. 20.💪 Which force is at work: a rolling ball slows? (a) magnetic force (b) muscular force (c) gravity (d) friction
21. 21.💪 In which unit do we measure force? (a) newton (N) (b) litre (L) (c) second (s) (d) metre (m)
22. 22.💪 Is pulling a cart a push or a pull? (a) a pull (b) a push
23. 23.💪 Two children push a box to the right, one with 35 N and the other with 35 N. What is the net (total) force on the box, in newtons?
24. 24.True or false: pushing a swing is a push. (a) False (b) True
25. 25.Which of these is caused by friction? (a) a fridge magnet sticks (b) rubbing hands warms them (c) a magnet picks up pins (d) rain falls to the ground
26. 26.Which of these is caused by magnetic force? (a) pedalling a cycle (b) shoes grip the floor (c) a compass needle turns (d) lifting a school bag
27. 27.💪 Is drawing up a well bucket a push or a pull? (a) a pull (b) a push
28. 28.💪 Which force is at work: brakes stop a bicycle? (a) friction (b) gravity (c) magnetic force (d) muscular force
29. 29.Which of these is caused by gravity? (a) squeezing a lemon (b) a compass needle turns (c) shoes grip the floor (d) a river flows downhill
30. 30.Which of these is caused by friction? (a) an apple falls down (b) shoes grip the floor (c) a fridge magnet sticks (d) a compass needle turns
31. 31.💪 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?
32. 32.💪 Which can a force NOT do? (a) change its colour (b) stop it moving (c) start it moving (d) change its shape
33. 33.Which of these is caused by gravity? (a) a compass needle turns (b) a thrown ball comes down (c) squeezing a lemon (d) lifting a school bag
34. 34.True or false: closing a drawer is a push. (a) False (b) True
35. 35.💪 Which force is at work: a magnet picks up pins? (a) muscular force (b) magnetic force (c) friction (d) gravity
36. 36.💪 Which force is at work: a compass needle turns? (a) friction (b) gravity (c) muscular force (d) magnetic force
37. 37.Which of these is caused by gravity? (a) brakes stop a bicycle (b) a compass needle turns (c) an apple falls down (d) squeezing a lemon
38. 38.True or false: pulling up your socks is a pull. (a) False (b) True
39. 39.💪 Is pulling up your socks a push or a pull? (a) a push (b) a pull
40. 40.💪 Which force is at work: squeezing a lemon? (a) gravity (b) magnetic force (c) friction (d) muscular force

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