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Some Questions asked by a Professor on the article regarding the quantitative inadequacy Third Law of Motion

Author:

sharma, ajay

Category:

Research Papers

Sub-Category:

Mechanics / Electrodynamics

Language:

English

Date Published:

August 2, 2022

File:

/Research Papers-Mechanics / Electrodynamics/Download/9284

Downloads:

241

Keywords:

N/A

Abstract:

Newton had given the third law motion i.e. Action =-Reaction or FA=-FB in the Principia (1686). It is confirmed in various publications and reports [1-11 ] that the law does not account for the shapes of bodies and their compositions. Consider spherical and flat bodies of mass 1kg of rubber, precise same compositions dropped freely from height 1m (say). Both bodies have action ( force = weight = 9.8 newtons), hence reaction would be the same i.e. 9.8 newtons but opposite in direction. So both bodies must rebound to the same height as the reaction is same i.e. 9.8 newton. But it is not experimentally justified even at the macroscopic level. The third application of Newton’s third law of motion also leads to the law of conservation of momentum [ Mpu1 + Mtu2 (Initial momentum of the system)= Mpv1 +Mtv2 (the final momentum of the system) ]. This equation is independent of the shapes of bodies and other characteristics, it has not been experimentally confirmed even at the macroscopic level. For example, the recoil of the gun is only a theoretical perception without experimental data. Newton’s third law of motion is also applied in the motion of rockets using Tsiolkovsky’s equation v = ve ln m0/m. This equation is not even confirmed for simple fireworks. So how it can be regarded as correct for rocket motion without experiments? The rocket is externally controlled by advanced supercomputers and many external factors.

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