Question

how we stretch out your palm and hold a book on it ?

Answer 1

Answer:

I think that

Explanation:

Becoz of lines in the palm.. That lines make hold any thing

Answer 2

We stretch our palm and hold a book by balancing the weight of the book.

Explanation:

• all the molecules that make up the book have certain weight. The entire force acts downward as the centre of mass of the the object.

• Hence if we keep the centre of mass of the object inside the palm of our hand then the weight of the book is balanced by the contact force which is provided by the palm of your hand. Hence due to equal and opposite force the book stays in equilibrium and does not fall down

To know more,

A force of 15 N is required to pull up a body ofmass 2 kg through a ...

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