A sphere of mass m and radius r rests on sufficiently rough inclined plane in equilibrium as shown
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tep 3:
Apply ∑Fy=0 to the sphere :
Solve for Fn
Substitute numerical values and evaluate Fn :
Fn−Tsinθ−Mgcosθ=0
Fn=Tsinθ+Mgcosθ
Fn=(7.89N)sin30∘+(3kg)(9.81m/s2)cos
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