A block weighing 22 N is held at rest against a vertical wall by a horizontal Fo

Question

A block weighing 22 N is held at rest against a vertical wall by a horizontal Force F of magnitude of 60 N. The coefficient of static friction between wall and block is .55 and kinetic friction coefficient is .38. In six experiments, a second force P is applied to the block and directed parallel to the wall with these magnitudes and directions: (a) 34 N up, (b) 12 N up, (c) 48 N up, (d) 62 N up, (e) 10 N down (f) 18 N down. What is magnitude of the frictional force?

Must show formulas, work and explain answer as you go along. A block weighing 22 N is held at rest against a vertical wall by a horizontal Force F of magnitude of 60 N. The coefficient of static friction between wall and block is .55 and kinetic friction coefficient is .38. In six experiments, a second force P is applied to the block and directed parallel to the wall with these magnitudes and directions: (a) 34 N up, (b) 12 N up, (c) 48 N up, (d) 62 N up, (e) 10 N down (f) 18 N down. What is magnitude of the frictional force?

Explanation / Answer

had this on exam long time ago .. and still have the perfect solution.. here you go:- A though D http://img3.imageshack.us/img3/6332/solution1.png E through F http://img199.imageshack.us/img199/6996/solution2.png please rate:-LifeSaver take care had this on exam long time ago .. and still have the perfect solution.. here you go:- A though D http://img3.imageshack.us/img3/6332/solution1.png http://img3.imageshack.us/img3/6332/solution1.png E through F http://img199.imageshack.us/img199/6996/solution2.png http://img199.imageshack.us/img199/6996/solution2.png please rate:-LifeSaver

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