a 50 kg homogeneous smooth sphere rest on the 30 degree incline a and against the smooth vertical wall we calculate the contact forces at a and b.
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The weight 'mg' of the sphere is also resolved in the figure.
The contact force at A=mgcos30o=50×9.8×0.866=424.34 NThe contact force at B is equal to the component of force mgsin30o perpendicular to the wall.Therefore, the contact force at B=(mgsin30o)cos30o=50×9.8×0.5×0.866=212.17N
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The contact force at A=mgcos30o=50×9.8×0.866=424.34 NThe contact force at B is equal to the component of force mgsin30o perpendicular to the wall.Therefore, the contact force at B=(mgsin30o)cos30o=50×9.8×0.5×0.866=212.17N
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