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Two blocks A and B of mass 4 kg and 2 kg...

Two blocks A and B of mass 4 kg and 2 kg respectively connected b a spring of force constant k=100n/m are placed on an inclined plane of inclination `30^(@)` as shown infigure If figure .If the system is released from rest , which one of the following statements (s) /are correct? `(g=10m//s^(2))`

A

There will be no compression / elogation in the spring if all surface are amooth .

B

Maximum campression of the spring is 10 cm if all surface are smoth .

C

Maximum elongation in the spring is 60 cm if all surface are smooth .

D

There will be elongation in the spring If A is smoth and B is rough B.

Text Solution

Verified by Experts

The correct Answer is:
a,d
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