What force is involved when we rub our hands together to warm them in winter and when we rub a matchstick to ignite it?
جب ہم اپنے ہاتھوں کو سردیوں میں گرم کرنے کے لیے آپس میں رگڑتے ہیں اور جب ہم اسے جلانے کے لیے ماچس کی چھڑی کو رگڑتے ہیں تو کون سی قوت شامل ہوتی ہے؟
Answer: Friction
Explanation
Friction is the force that generates heat and warmth when surfaces rub against each other.
This question appeared in
Subjects (3 times)
EVERYDAY SCIENCE (2 times)
GENERAL SCIENCE (1 times)
Related MCQs
- 10 people shake hands with each other.Total how many hands shaked?
- Who is the Current CEO of Ignite National Technology Fund?
- Choose the sentence with the correct use of a preposition: After winter vacations, the University is opening in Monday, After winter vacations, the University is opening on Monday, After winter vacations, the University is opening by Monday, After winter vacations, the University is opening at Monday
- The liver is involved in detoxification of many poisons and drugs. Which of the following structures is primarily involved in this process and therefore abundant in liver cells?
- Choose the correct punctuated sentence: Gwadar is a beautiful port city; the beaches are warm, sandy and spotlessly clean., Gwadar is a beautiful port city, the beaches are warm, sandy and spotlessly clean., Gwadar is a beautiful port city: the beaches are warm, sandy and spotlessly clean., None of these
- Warm is to hot as old is to _____?
- It was warm, so I ------------------ off my coat.
- Warm and humid air ___ than dry air.
- Which of the following animals are warm-blooded?
- Why do wet clothes dry more quickly on a warm day?
