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Question Number 82753 by ajfour last updated on 23/Feb/20

Commented by ajfour last updated on 24/Feb/20

$$\mathrm{Understood}\mathrm{Sir},\mathrm{good}\mathrm{reasoning},$$$$\mathrm{undeniable},\mathrm{thanks}.$$

Commented by ajfour last updated on 23/Feb/20

$$\mathrm{Given}:\mathrm{system}\mathrm{is}\mathrm{in}\mathrm{equilibrium}.$$$$\mathrm{Find}\theta .$$

Commented by mr W last updated on 24/Feb/20

$$tensioninstringT=Mg=mg\sin \alpha$$$$\Rightarrow M=m\sin \alpha$$$$thatmeansifM=m\sin \alpha then$$$$equilibriumispossiblewithany\theta .$$$$butifM\ne m\sin \alpha thennoequilibrium$$$$ispossibleregardlesshowlarge\theta is.$$

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