Solving problems from kinematics and friction

I just want to know how to easily solve problems related to kinematics and friction. I don’t know why i always face problem in these two topics a lot…… Please help and tell some tricks to solve these both……. THANK U
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Rain and Man problems – How to solve?

Shashank Asked: “How to solve rain and man problems from motion in one dimension?” Answer: The problem is solved using principles of vector addition. There is a simple logic to remember A/C = A/B x B/C If we represent diagrammatically (in the form of vectors) the velocity of rain wrt ground, velocity of man wrt…… Continue reading Rain and Man problems – How to solve?

Class XII Physics :: How to prepare well in advance?

Learn thoroughly the first time you learn a new concept. Suppose, the topic Kirchhoff’s laws is taught in class. Revise the topic the same day yourselves. Keep a paper and pen while you revise and jot down whatever you feel important. Please note that you cannot memorize derivations by reading. Write and practice the derivations.…… Continue reading Class XII Physics :: How to prepare well in advance?