The spring shown in figure is unstretched when a man starts pulling the block. The mass of the block is $M$ . If the man exerts a constant force $F$ .
The amplitude of the motion of the block is:

\frac{F}{K}

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\frac{F}{2 K}

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\frac{2 F}{K}

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None of these

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Solution

The correct option is A $\frac{F}{K}$
The block will oscillate about the position
where $F = K x$
$\Rightarrow \frac{F}{K}$ is amplitude

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The spring shown in figure is unstretched when a man starts pulling the block. The mass of the block is M. If the man exerts a constant force F.The amplitude of the motion of the block is:

The correct option is A FKThe block will oscillate about the positionwhere F=Kx⇒FK is amplitude

The spring shown in figure is unstretched when a man starts pulling the block. The mass of the block is $M$ . If the man exerts a constant force $F$ .
The amplitude of the motion of the block is:

The correct option is A $\frac{F}{K}$
The block will oscillate about the position
where $F = K x$
$\Rightarrow \frac{F}{K}$ is amplitude