A mass $1\, kg$ is suspended by a thread. It is
$(i)\,$ lifted up with an acceleration $4.9\,m/{s^2}$
$(ii) \,$lowered with an acceleration $4.9\,m/{s^2}$.
The ratio of the tensions is
A mass $1\, kg$ is suspended by a thread. It is
$(i)\,$ lifted up with an acceleration $4.9\,m/{s^2}$
$(ii) \,$lowered with an acceleration $4.9\,m/{s^2}$.
The ratio of the tensions is
$3:1$
$1:3$
$1:2$
$2:1$
A mass $1\, kg$ is suspended by a thread. It is
$(i)\,$ lifted up with an acceleration $4.9\,m/{s^2}$
$(ii) \,$lowered with an acceleration $4.9\,m/{s^2}$.
The ratio of the tensions is
${T_1} = m\,(g + a) = 1 \times \left( {g + \frac{g}{2}} \right) = \frac{{3g}}{2}$
${T_2} = m\,(g - a) = 1 \times \left( {g - \frac{g}{2}} \right) = \frac{g}{2}$
$\frac{{{T_1}}}{{{T_2}}} = \frac{3}{1}$
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