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. Which of the following laws/principles of physics can be applied on the spring block system

A
conservation of mechanical energy
B
conservation of momentum
✓
work energy principle
D
None

✓

Answer

Correct option: C.

work energy principle

c

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