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Category: Mechanics

Which-of-the-following-set-of-horizontal-forces-would-lead-an-object-in-equilibrium-a-5N-10N-20N-b-6N-12N-18N-c-8N-8N-8N-b-2N-4N-8N-16N-

Question Number 107905 by aurpeyz last updated on 13/Aug/20 $$\mathrm{W}{hich}\:{of}\:{the}\:{following}\:{set}\:{of}\:{horizontal} \\ $$$${forces}\:{would}\:{lead}\:{an}\:{object}\:{in}\:{equilibrium}? \\ $$$$\left({a}\right)\:\mathrm{5}{N}\:\:\:\mathrm{10}{N}\:\:\mathrm{20}{N} \\ $$$$\left({b}\right)\:\mathrm{6}{N}\:\:\:\mathrm{12}{N}\:\:\:\:\mathrm{18}{N} \\ $$$$\left({c}\right)\:\mathrm{8}{N}\:\:\:\mathrm{8}{N}\:\:\:\mathrm{8}{N} \\ $$$$\left({b}\right)\:\mathrm{2}{N}\:\:\:\:\mathrm{4}{N}\:\:\:\mathrm{8}{N}\:\:\:\mathrm{16}{N} \\ $$ Commented by aurpeyz…

Question-107711

Question Number 107711 by ajfour last updated on 12/Aug/20 Commented by ajfour last updated on 12/Aug/20 $${If}\:{motion}\:{begins}\:{from}\:{rest}\:{when} \\ $$$${blue}\:{block}\:{is}\:{at}\:{A}\:{and}\:{by}\:{the}\:{time}\:{it} \\ $$$${reaches}\:{B}\:{string}\:{goes}\:{slack},\:{then} \\ $$$${find}\:{length}\:{AB}. \\ $$$$…

Question-172604

Question Number 172604 by Mikenice last updated on 29/Jun/22 Answered by mr W last updated on 29/Jun/22 $${v}_{\mathrm{1}} =\sqrt{\mathrm{2}{gh}_{\mathrm{1}} }=\sqrt{\mathrm{2}×\mathrm{9}.\mathrm{8}×\mathrm{4}.\mathrm{9}}=\mathrm{9}.\mathrm{8}\:{m}/{s} \\ $$$${t}_{\mathrm{1}} =\frac{{v}_{\mathrm{1}} }{{g}}=\frac{\mathrm{9}.\mathrm{8}}{\mathrm{9}.\mathrm{8}}=\mathrm{1}\:{s} \\…

Imagine-a-planet-having-a-mass-twice-that-of-the-earth-and-a-radius-equal-to-1-414-times-that-of-the-earth-Determine-the-acceleration-due-to-gravity-at-its-surface-

Question Number 106928 by aurpeyz last updated on 07/Aug/20 $${Imagine}\:{a}\:{planet}\:{having}\:{a}\:{mass}\:{twice}\:{that} \\ $$$${of}\:{the}\:{earth}\:{and}\:{a}\:{radius}\:{equal}\:{to}\:\mathrm{1}.\mathrm{414} \\ $$$${times}\:{that}\:{of}\:{the}\:{earth}.\:{Determine}\:{the} \\ $$$${acceleration}\:{due}\:{to}\:{gravity}\:{at}\:{its}\:{surface}. \\ $$ Answered by JDamian last updated on 07/Aug/20…

if-the-wheel-of-a-car-moved-56rev-what-is-the-distance-the-car-moved-in-14s-

Question Number 106919 by aurpeyz last updated on 07/Aug/20 $$\mathrm{if}\:\mathrm{the}\:\mathrm{wheel}\:\mathrm{of}\:\mathrm{a}\:\mathrm{car}\:\mathrm{moved}\:\mathrm{56rev}.\: \\ $$$$\mathrm{what}\:\mathrm{is}\:\mathrm{the}\:\mathrm{distance}\:\mathrm{the}\:\mathrm{car}\:\mathrm{moved}\:\mathrm{in}\:\mathrm{14s}? \\ $$ Commented by Dwaipayan Shikari last updated on 07/Aug/20 $$\mathrm{56}{rev}/{s}?? \\ $$…

Question-41255

Question Number 41255 by ajfour last updated on 04/Aug/18 Commented by ajfour last updated on 04/Aug/18 $${The}\:{natural}\:{length}\:{of}\:{spring}\:{is} \\ $$$${l}\:{and}\:{if}\:{realeased}\:{as}\:{shown},\:{find} \\ $$$${speed}\:{of}\:{ring}\:{as}\:{it}\:{reaches}\:{the} \\ $$$${ground}.\:\mu\:{is}\:{the}\:{friction}\:{coefficient} \\ $$$${between}\:{vertical}\:{rod}\:{and}\:{the}\:{ring}.…