AP EAMCET Engineering 17 Sep 2020 Shift 1 Paper

When a body of mass m slides down on inclined plane with acceleration a, then various forces acting on the body are shown in the figure.According to Newton's second law of motion, ma=mg‌sin‌θ−µR
⇒‌‌ma=mg‌sin‌θ−µmg‌cos‌θ
⇒‌‌a=g‌sin‌θ−µg‌cos‌θ
⇒‌‌a=g(sin‌θ−µ‌cos‌θ)