why  tearing of paper , cutting of cloth is  physical change why  please give me the answer in detail and fast.

Dear student,

Tearing of paper and cutting of cloth is a physical change because the physical properties are changed (Volume and size) but the material of a teared paper and cutting of cloth is the same only shape and size are changed and it is not important that every irreversible change is a chemical change. Physical change is usually reversible but not always.

Conclusion- 
No new substance is formed
Only shape and size has changed
The material is same.

Hence it cannot be a chemical change.

Regards

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Because it does not change chemical composition of cloth and the change is only in the state, size, shape, colour, texture or the smell of some or all of the substances that undergo physical change.
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