Engineering Worksheet: Forces

Engineering lesson 9: Forces: push, pull and gravity · Set 183 · 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.💪 A bag has a mass of 24 kg. Taking 1 kg to weigh about 10 N, what is its weight in newtons?
2. 2.💪 In which unit do we measure force? (a) second (s) (b) newton (N) (c) litre (L) (d) metre (m)
3. 3.💪 In a tug of war, one team pulls left with 25 N and the other pulls right with 15 N. What is the size of the net force, in newtons?
4. 4.💪 Which force is at work: rubbing hands warms them? (a) muscular force (b) friction (c) gravity (d) magnetic force
5. 5.💪 Is pushing a swing a push or a pull? (a) a push (b) a pull
6. 6.💪 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) no net force (b) to the right (c) to the left
7. 7.True or false: opening a drawer is a pull. (a) False (b) True
8. 8.💪 Which can a force NOT do? (a) start it moving (b) change its colour (c) change its shape (d) stop it moving
9. 9.Which of these is caused by gravity? (a) lifting a school bag (b) rain falls to the ground (c) a rolling ball slows (d) brakes stop a bicycle
10. 10.True or false: pushing a trolley is a pull. (a) True (b) False
11. 11.True or false: opening a drawer is a push. (a) True (b) False
12. 12.💪 A force is a … (a) kind of colour (b) unit of time (c) push or a pull (d) type of sound
13. 13.Which of these is caused by friction? (a) lifting a school bag (b) a fridge magnet sticks (c) rubbing hands warms them (d) pedalling a cycle
14. 14.💪 Two children push a box to the right, one with 95 N and the other with 75 N. What is the net (total) force on the box, in newtons?
15. 15.💪 Which force is at work: a thrown ball comes down? (a) magnetic force (b) gravity (c) friction (d) muscular force
16. 16.💪 In a tug of war, one team pulls right with 60 N and the other pulls left with 20 N. What is the size of the net force, in newtons?
17. 17.True or false: closing a drawer is a push. (a) True (b) False
18. 18.💪 Which force is at work: brakes stop a bicycle? (a) friction (b) muscular force (c) magnetic force (d) gravity
19. 19.💪 Which force is at work: a river flows downhill? (a) friction (b) gravity (c) muscular force (d) magnetic force
20. 20.Which of these is caused by friction? (a) brakes stop a bicycle (b) a thrown ball comes down (c) an apple falls down (d) a fridge magnet sticks
21. 21.💪 Is kicking a football a push or a pull? (a) a pull (b) a push
22. 22.💪 Is plucking a mango a push or a pull? (a) a push (b) a pull
23. 23.💪 Two children push a box to the right, one with 70 N and the other with 55 N. What is the net (total) force on the box, in newtons?
24. 24.💪 Two children push a box to the right, one with 80 N and the other with 25 N. What is the net (total) force on the box, in newtons?
25. 25.Which of these is caused by friction? (a) a magnet picks up pins (b) rain falls to the ground (c) shoes grip the floor (d) a river flows downhill
26. 26.💪 Is drawing up a well bucket a push or a pull? (a) a push (b) a pull
27. 27.💪 Which force is at work: rain falls to the ground? (a) friction (b) magnetic force (c) muscular force (d) gravity
28. 28.Which of these is caused by magnetic force? (a) a river flows downhill (b) a fridge magnet sticks (c) pedalling a cycle (d) rubbing hands warms them
29. 29.True or false: pushing a trolley is a push. (a) True (b) False
30. 30.💪 A cart is pulled to the right with 95 N and to the left with 90 N. Which way does the net force act? (a) to the right (b) no net force (c) to the left
31. 31.💪 In a tug of war, one team pulls right with 10 N and the other pulls left with 5 N. What is the size of the net force, in newtons?
32. 32.Which of these is caused by gravity? (a) a thrown ball comes down (b) rubbing hands warms them (c) a fridge magnet sticks (d) brakes stop a bicycle
33. 33.Which of these is caused by magnetic force? (a) a compass needle turns (b) an apple falls down (c) brakes stop a bicycle (d) shoes grip the floor
34. 34.💪 Is pulling up your socks a push or a pull? (a) a pull (b) a push
35. 35.True or false: kicking a football is a push. (a) False (b) True
36. 36.Which of these is caused by muscular force? (a) a compass needle turns (b) a rolling ball slows (c) an apple falls down (d) squeezing a lemon
37. 37.Which of these is caused by muscular force? (a) lifting a school bag (b) a fridge magnet sticks (c) rain falls to the ground (d) a rolling ball slows
38. 38.True or false: pressing a doorbell is a pull. (a) False (b) True
39. 39.💪 Is opening a drawer a push or a pull? (a) a pull (b) a push
40. 40.💪 Two children push a box to the right, one with 90 N and the other with 95 N. What is the net (total) force on the box, in newtons?

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