Newton Archive

Comparision of Concept of Elasticity between Robert Hook and Sridharacharyah

Shloka: Ye Ghana nibidah avayavasannivesah taih Visistesu sparsavatsu dravyesu vartamanah Sthithisthapakah svasrayamanyatha Kathamavanamitam yathavat sthapayati Kathamavanamitam yathavat sthapayati Purvavadrjuh karoti | Meaning: Elasticity is a property in the bodies having densely populated elemental parts; when sheared by (external) deforming forces, it helps the body recover its original state. Source: Nyayakandali, Sridharacharyah (991 AD) Etymology: Sthiti + sthapakah = original state + bring back= elasticity Ancient Theory According to vaisesika sutra the samskara i.e. elasticity in one of the six gunas. The concept of elasticity is explained as a property inherited in bodies which are compactly packed and when this compact

Newton’s Rediscovery of Gravity!!

Shloka-Akrsta saktisca mahi taya yat svastham guru svabhimukham svasaktya I   Akrsyate tatpatativa bhati same samantat kva patatviyam khe II   Meaning- The attracting (gravitational) force (is) the earth. That (earth) with that gravitational force of hers attracts towards herself the large objects in the sky. It seems as though she is falling. In space, with matching forces where will she (earth) fall.   Source: Siddhanta- siromanih, Bhuvankosha 6, Bhaskarah II (1150 AD)   Shloka- Tatha prthivyamabhimanini ya devata prasiddha saisa purusasya                Apanavrttimavastabhyakrsya vasikrtyadha evapakarsenanugraham                Kurvati vartata ityarthah II                Anyatha hi sariram gurutvat patet

The most commonly asked why’s in daily life??

If heavy objects sink in water, why does the boat made of heavy metal float? Have you ever wondered why a heavy meatal ship float but doesn’t sink? As a kid I was so fascinated to know why my paper boat would sink and why ships and boats doesn’t. It is the Buoyancy force which keeps the ships floating on water. The ship when on water always displaces lot of water. The displaced water pushes the ship upward. This force which pushes the ship upward is the Buoyancy force. The gravitational force pushes the ship downward and the buoyancy force