A child takes a pile of disordered blocks and stacks them into a very neat pyram

Question

A child takes a pile of disordered blocks and stacks them into a very neat pyramid. How has total entropy changed in this process? Decreased Stayed the same Increased One wishes to insert a cylindrical peg into a circular hole in a metal sheet. The diameter of the peg`s cross section is wider than diameter of the circular hole. In order to get the peg in the hole. What must be done to the metal sheet? The sheet must be heated The sheet must be cooled It is impossible to get the peg into the hole

Explanation / Answer

explanation:
1. Increase because, entropy of a system always increases.

2. A metal has to be heated to expand it,so that the bat can easily fit inside it.

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