Please help with the attached problem A Portland Pilot (m = 49 kg) is climbing a "chimney", pressing only with her shouldersand feet against the walls. Her center of mass is a horizontal distance d = 0.20 m fromthe wall against which her shoulders are pressed. The static coefficient of static frictionbetween her shoes and the rock is 1.2: between her back and the rock it is 0.80. She hasreduced her push against the rock until her back and shoes are on the verge of slipping.(a) What is her push against the rock? (b) What fraction of her weight is supported bythe frictional force on her shoes?

a) Analyze the following picture. The above picture represents the forces acting on the climber.…

A Portland Pilot (m = 49 kg) is climbing a “chimney", pressing only with her shoulders and feet against the walls. Her center of mass is a horizontal distance d = 0.20 m from the wall against which her shoulders are pressed. The static coefficient of static friction %3D between her shoes and the rock is 1.2: between her back and the rock it is 0.80. She has reduced her push against the rock until her back and shoes are on the verge of slipping. (a) What is her push against the rock? (b) What fraction of her weight is supported by the frictional force on her shoes?

A Portland Pilot (m = 49 kg) is climbing a “chimney", pressing only with her shoulders and feet against the walls. Her center of mass is a horizontal distance d = 0.20 m from the wall against which her shoulders are pressed. The static coefficient of static friction %3D between her shoes and the rock is 1.2: between her back and the rock it is 0.80. She has reduced her push against the rock until her back and shoes are on the verge of slipping. (a) What is her push against the rock? (b) What fraction of her weight is supported by the frictional force on her shoes?

Physics for Scientists and Engineers: Foundations and Connections

1st Edition

ISBN:9781133939146

Author:Katz, Debora M.

Publisher:Katz, Debora M.

Chapter5: Newton's Laws Of Motion

Section: Chapter Questions

Problem 63PQ: A 75.0-g arrow, fired at a speed of 110 m/s to the left, impacts a tree, which it penetrates to a...

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