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Question Number 20040 by Tinkutara last updated on 20/Aug/17

$$\mathrm{The}\mathrm{system}\mathrm{shown}\mathrm{in}\mathrm{figure}\mathrm{is}\mathrm{given}\mathrm{an}$$$$\mathrm{acceleration}{}^{\prime }{a}^{\prime }\mathrm{toward}\mathrm{left}.\mathrm{Assuming}$$$$\mathrm{all}\mathrm{the}\mathrm{surfaces}\mathrm{to}\mathrm{be}\mathrm{frictionless},\mathrm{find}$$$$\mathrm{the}\mathrm{force}\mathrm{on}\mathrm{the}\mathrm{sphere}\mathrm{by}\mathrm{inclined}$$$$\mathrm{surface}.$$

Commented by Tinkutara last updated on 20/Aug/17

Commented by ajfour last updated on 21/Aug/17

$$letforceonspherebyincline$$$$beN.$$$$\mathrm{\Sigma }{F}_y=0,soN\cos 30°=mg$$$$\Rightarrow N=\frac{2mg}{\sqrt{3}}.$$

Commented by Tinkutara last updated on 21/Aug/17

$$\mathrm{Thank}\mathrm{you}\mathrm{very}\mathrm{much}\mathrm{Sir}!$$

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