Three weight $W, 2 W$ and $3 W$ , are connected to identical springs suspended from rigid horizontal rod. The assembly of the rod and the weights fall freely. The positions of the weights from the rod are such that

3 W

will be farthest

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W

will be farthest

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all will be at the same distance

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2 W

will be farthest

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Solution

The correct option is C all will be at the same distance
Since all the weights fall freely under gravity along with the assembly of the rod, the acceleration of all objects is equal to $g$ . Hence all the weights have same relative distance between them at all points, and hence no stretching of spring occurs and thus the position(distance of falling) of all the weights would be the same.

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Three weight W,2W and 3W, are connected to identical springs suspended from rigid horizontal rod. The assembly of the rod and the weights fall freely. The positions of the weights from the rod are such that

Three weight $W, 2 W$ and $3 W$ , are connected to identical springs suspended from rigid horizontal rod. The assembly of the rod and the weights fall freely. The positions of the weights from the rod are such that