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Question Number 138631 by physicstutes last updated on 15/Apr/21

Commented by physicstutes last updated on 15/Apr/21

$$\mathrm{From}\mathrm{the}\mathrm{figure}\mathrm{above}\mathrm{show}\mathrm{completely}\mathrm{how}\mathrm{the}\mathrm{force}\mathrm{on}\mathrm{the}$$$$\mathrm{pulley}\mathrm{can}\mathrm{be}\mathrm{obtained}.$$

Commented by Dwaipayan Shikari last updated on 15/Apr/21

$$For3kgblock$$$$30-3gsin30°=3a\Rightarrow 10-\frac{g}{2}=a$$

Commented by physicstutes last updated on 15/Apr/21

$$\mathrm{true},\mathrm{but}\mathrm{how}\mathrm{do}\mathrm{we}\mathrm{calculate}\mathrm{the}\mathrm{force}\mathrm{exerted}$$$$\mathrm{on}\mathrm{the}\mathrm{pulley}$$

Answered by mr W last updated on 15/Apr/21

Commented by physicstutes last updated on 16/Apr/21

$$\mathrm{thank}\mathrm{you}\mathrm{so}\mathrm{much}\mathrm{sir}$$

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