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E two camponents of surface on the block. reaction $\mathbb{N}$ iv called thi of contact fortec to omponent of contact If a minimum foree, required to move the body is apples it is further continued, the body moves with an accelsy. an $\left(\mu ,-{\mu }_2\right)\mathrm{g}$ Motion of a Body down the Rough Inclined Plane: Let a body of mass $m$ be sliding down a rough inclined $pl$ se angle of inclination $\theta$ and coefficient of kinetic friction $H_2$. 0) face is pulled or Normal reaction $\mathrm{N}=mg\cos \theta$ Net force down the plane is equal to the $F=mg\left(\sin \theta -{\mu }_k\cos \theta \right)$$ce={\mu }_5\mathrm{N}=\mu \mathrm{mg}$ Acceleration down the plane $a=g\left(\sin \theta -{\mu }_k\cos \theta \right)$ This is independent of the mass of the body forward with an $\begin{array}{l}\text{ Minimum force required parallel to the inclined plane to prevel }\\ \text{ the body sliding down }\\ =\mathrm{mg}\left(\sin \theta +{\mu }_{\mathrm{k}}\cos \theta \right)\text{ (in the direction up the plane) }\\ \text{ FULL COURSE STUDY MATERIAL NEET }\end{array}$

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Updated on: Dec 12, 2022