Question #97217

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Question #97217

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Answer 1 · 2015-09-30T17:01:44

$1 k g w t$ $1 kgwt$ is the weight of a mass of $1 k g$ $1kg$ and is equal to $9.81 N$ $9.81 N$ according to $w = m g$ $w=mg$ , where $w$ $w$ is weight, $m$ $m$ is mass and $g$ $g$ is acceleration due to gravity.
The spring balance has graduations in $0.5 k g w t$ $0.5kgwt$ which is equal to $(9.81 \cdot 0.5) = 4.91 N$ $(9.81*0.5) = 4.91N$
The block starts moving when the pointer is at the $25 t h$ $25th$ division, which is equal to $(4.91 \cdot 25) = 122.6 N$ $(4.91*25) = 122.6N$ correct to 1 decimal place.

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Question #97217

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