A 10 kg sphere of radius 5 m rests between two smooth supports as shown; the center is 3 m above one contact level and 4 m horizontally from the other. Take g=10 m s⁻². The two normal reactions are:

Question

G1 Physics · Accepted Answer

Geometry gives contact normals at 53° and 37°. Equilibrium gives horizontal components equal and vertical components summing to 100 N. Solving yields 80 N and 60 N.