1. Tardigrade
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  4. Reading shown in two extended spring balances, S1 and S2 is 60 kg and 30 kg respectively and lift is accelerating upward with acceleration 10 m / s 2. The mass is stationary with respect to lift. Find the mass of the block in kg.

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Q. Reading shown in two extended spring balances, $S_{1}$ and $S_{2}$ is $60\, kg$ and $30\, kg$ respectively and lift is accelerating upward with acceleration $10\, m / s ^{2}$. The mass is stationary with respect to lift. Find the mass of the block in kg.Physics Question Image

Laws of Motion

Solution:

$T_{1}-T_{2}-m g=m a$
$600-300=m(20)$
$\frac{300}{20}=m$
$m=15\, kg$

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