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गति के नियम और घूर्नन गति, दिशा प्रकाशन द्वारा : जेईई मेन और उन्नत परीक्षा हेतु पीडीऍफ़ बुक | Laws of Motion and Circular Motion by Disha Publication : For JEE Main and Advanced Exam PDF Book

गति के नियम और घूर्नन गति, दिशा प्रकाशन द्वारा : जेईई मेन और उन्नत परीक्षा हेतु पीडीऍफ़ बुक | Laws of Motion and Circular Motion by Disha Publication : For JEE Main and Advanced Exam PDF Book


Laws-of-Motion-and-Circular-Motion-by-Disha-Publication-For-JEE-Main-and-Advanced-Exam-PDF-Book


Name of Book :  Laws of Motion and Circular Motion / गति के नियम और घूर्नन गति 

Hope This Laws of Motion and Circular Motion Book will Step up you to Succeed / आशा करते हैं गति के नियम और घूर्नन गति पुस्तक आपके कदम सफलता की ओर ले जायगी

Language of Book : English

Size of Ebook : 10.6 MB

Total pages in ebook : 120

Ebook Downloading Status  : Best 
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Description about eBook : FRICTION
Consider a block placed on a horizontal floor and give an initial push (figure a). The block will stop after travelling some distance. According to Newton’s second law, a retarding force must be acting on the block. This opposing force is called frictional force. The frictional force always acts along tangential direction at the point of contact and in opposite direction to the direction of relative motion of the body.
Now consider a block placed at rest in an accelerating cart as shown in figure (b). The block in fact accelerating along with the cart. Which force causes the acceleration of the block? It is clear that the only force in the horizontal direction is the frictional force. If there were no friction, the surface of the cart would slip and the block would remain at its initial position by inertia. Thus we can say that friction sometimes require to start the motion. Its direction may be backward or forward of the motion of the body.............

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