What is the difference in the positions of a girl carrying a bag in one of her hands and another girl carrying a bag in each of her two hands?

A girl has to lean towards right when carrying a bag in her left hand.why?

Why does a boy lean towards right hand side while carrying a bag in his left hand?

Why a boy has to lean toward left while carrying a heavy bag in his right hand?

When is the work done in the following situation: (i) A boy pushing a wall (ii) A girl carrying a school bag on her shoulders (iii) A stone falling freely (iv) A boy climbing up the stairs.

What is the advantage of carrying cotton or jute bags while going for shopping?

A girl is standing on a turn table. What happens to the rotation speed if she stretches her hand?