) A body is sliding down a
rough inclined plane which makes an angle of 30 degree with the horizontal. If the coeffcient of friction is 0.26, the acceleration in m/s² is
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Explanation:
NET FORCE = mg sin 30⁰ -uN
= mg 0.5 - 0.26 x mg cos 30⁰
= mg ( 0.5 -0.26 x √3/2)
= mg (0.5 - 0.13 x 1.732)
ma = mg (0.5 - 0.13 x 1.732)
a = g (0.5 -0.22516)
a = 9.8 (0.27)
a = 2.646 m/ s²
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