A wood block of mass 3kg is resting on the surface of a rough incline surface. Angle of inclination of the surface
is as shown in fig.
(i) Name the forces 1,2 and 3
(ii) If the coefficient of static friction is 0.2. Calculate the value of all the three forces (Take g = 10m/s2
) ???
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Explanation:
HEY MATE .........
Answered by
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ifthetha=30and
u=0.2
thenitisclearthatangle
thethaisgreater
thantheangleofrepose
henceforceoffriction
hasitsmaximumvalue
=umgcosthetha
force1=mg=3×10
=30∣n∣
2
=umgcosthetha
=0.2×3×10×costhetha
=5.2∣n∣
andforce3
=mgcosthetha=26.0∣n∣
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