A light spring balance hangs from hook of other light spring balance and a block of mass M kg hangs

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4-1.Newton's Laws of Motion

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A light spring balance hangs from the hook of the other light spring balance and a block of mass $M$ kg hangs from the former one. Then the true statement about the scale reading is

A

Both the scales read $M/2\, kg$ each

B

Both the scales read $M\, kg$ each

C

The scale of the lower one reads $M\, kg$ and of the upper one zero

D

The reading of the two scales can be anything but the sum of the reading will be $M \,kg$

(AIEEE-2003)

Solution

(b)As the spring balance are massless therefore both the scales read $M\, kg $ each.

Standard 11

Physics

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(AIEEE-2007)