A spring block system is placed on a rough horizontal floor. The … - Vidyadip

MCQ

$A$ spring block system is placed on a rough horizontal floor. The block is pulled towards right to give spring an elongation less than $\frac{{2\mu mg}}{K}$ but more than $\frac{{\mu mg}}{K}$ and released.The correct statement is

A
The block will cross the mean position.
B
The block will come to rest when the forces acting on it are exactly balanced
✓
The block will come to rest when the work done by friction becomes equal to the change in energy stored in spring.
D
None

✓

Answer

Correct option: C.

The block will come to rest when the work done by friction becomes equal to the change in energy stored in spring.

c

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