A term that refers to the resistance created by two contacting surfaces, often in the context of fluid dynamics or mechanical engineering.

संपर्क में आने वाली दो सतहों के द्वारा उत्पन्न होने वाला प्रतिरोध।

English Usage: Engineers need to consider frictional drag fractor when designing high-speed vehicles.

Hindi Usage: इंजीनियरों को उच्च-गति वाहन डिजाइन करते समय घर्षण खींच बलांश पर विचार करना चाहिए।