1.

A horizontal force of 12 N pushes a 0.5-kg book against a vertical wall. The book is initially at rest. If the coefficients of friction are µs = 0.6 and µk = 0.8 which of the following is true? A. The magnitude of the frictional force is 4.9 N B. The magnitude of the frictional force is 7.2 N C. The normal force is 4.9 N D. The book will start moving and accelerateE. If started moving downward, the book will decelerate

Answer»

A. The magnitude of the frictional force is 4.9 N



Discussion

No Comment Found

Related InterviewSolutions