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Question

Sir pls tell whether the stress is compressive or tensile and the value of stress

Joshi sir comment

Due to inner sphere attraction, outer sphere contracts so it is compressive stress. $G r a v i t a t i o n a l f o r c e i s G (ρ 4 π R^{2} t) [π {(R θ / 2)}^{2}] / 4 R^{2} O u t w a r d f o r c e d u e t o s t r e s s = S [2 π (R θ / 2) t] (θ / 2) N o w c o m p a r e . I n f o r m f o r a n y i s s u e a n d w a i t f o r v i d e o$

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