InterviewSolution
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InterviewSolution
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The density of the solid cylindrical bar shown in the figure is` 5xx 10^(3)` kg `m^(-3)` . The weight of the bar is `"_________"` N. (take g=10 m `s^(2)`A. (a) 157B. (b) 1570C. (c ) 320D. (d) 3.2 |
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Answer» Correct Answer - A Density = `5xx10^(3)` kg `m^(-3)` Volume =`pi xx (radius)^(2) xx height` = `3.14 xx (0.1^(2))xx0.1` = 0.00314 "" `m^(3)` Density =`"mass"/"volume"` Mass = `density xx volume` = `5 xx 10^(3) xx 0.00314` = 15.7 " kg " Weight = `mxx g =15.7 xx 10` = 157 " N " |
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