Work and centripetal force

From: Shashaank Khanna Subject: work done and centripetal force Message Body: My question is that throughout The Principia Newton uses the fact that for a body continuously moving in...

The physics being railway ticket booking

Posted as received via WhatsApp Do you Know why  IRCTC does not allow you to choose seats? Would you believe that the technical reason behind this is PHYSICS. Booking...

CBSE class X results 2016

CBSE will announce the class X results on Saturday 28 May 2016. The results can be seen from http://cbseresults.nic.in

Question from Einstein’s Theory of relativity

From: venky Subject: einstein’s theory of relativity Message Body: when two electrons leave a radioactive sample in opposite directions, each having a speed 0.67c with respect to the sample,...

Question from quantum field theory

From: Krish Subject: Quantum field theory Message Body: This question relates to the gauge theories behind the strong, weak and electromagnetic forces. A beautiful intertwining of theoretical physics and...

The dimples of a golf ball

An-Average-Golf-Ball-Has-336-Dimples

How exactly do the dimples of a golf ball affect the way it flies? What are the different materials golf balls are made of and how do they affect...

Why is gravitational force less powerful than coulomb force?

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Why is gravitational force less powerful than coulomb force? I know that the theoretical reason is the value of G=6.67*10^-11 ….but what is the practical theory be hind it...