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A uniform plant of Young's modulus Y is ...

A uniform plant of Young's modulus Y is moved over a smooth horizontal surface by a constant horizontal force F. The area of cross section of the plank is A. The compressive strain on the plank in the direction of the force is

A

F/AY

B

2F/AY

C

`(1)/(2) (F//AY)`

D

`3F//AY`

Text Solution

Verified by Experts

The correct Answer is:
A
`Y= (F//A)/(Delta l//l) rArr (Delta l)/(l)= (F)/(AY)`
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