Solution:iii) At moon, value of g'=g6g= acceleration due to gravity on earthWeight on earth = mass × g45=mass×9 8mass=45gSince mass is constant, soWeght on moon=45g×g6=7 5 NSo correct option is aKindly post other question in different thread

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S o l u t i o n : i i i) A t m o o n, v a l u e o f g' = \frac{g}{6} g = a c c e l e r a t i o n d u e t o g r a v i t y o n e a r t h W e i g h t o n e a r t h = m a s s \times g 45 = m a s s \times 9.8 m a s s = \frac{45}{g} S i n c e m a s s i s c o n s \tan t, s o W e g h t o n m o o n = \frac{45}{g} \times \frac{g}{6} = 7.5 N S o c o r r e c t o p t i o n i s a K i n d l y p o s t o t h e r q u e s t i o n i n d i f f e r e n t t h r e a d .

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