A solid sphere of mass 10 kg is placed on a rough horizontal surface with coefficient of friction μ = 0.1. If a force of 28 N is applied at the top of the sphere the
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Question

A solid sphere of mass 10 kg is placed on a rough horizontal surface with coefficient of friction μ = 0.1. If a force of 28 N is applied at the top of the sphere the ,

G1 Physics · Accepted Answer

Write translation ΣF=Ma and rotation Στ about CM=I about CMα, together with the no-slip relation v of CM=ωR and a of CM=αR whenever pure rolling applies. Solving the equations for the shown geometry gives A: Friction = 10 N forward; D: aCM = 3.8 m/s².