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College Physics | 1st Edition | ISBN: 9781938168000 | Authors: Paul Peter Urone, Roger Hinrichs
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A contestant in a winter sporting event pushes a 45.0-kg

Chapter 5, Problem 17

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QUESTION:

Consider the \(52.0-kg\) mountain climber in Figure \(5.22\). 

(a) Find the tension in the rope and the force that the mountain climber must exert with her feet on the vertical rock face to remain stationary. Assume that the force is exerted parallel to her legs. Also, assume negligible force exerted by her arms.

(b) What is the minimum coefficient of friction between her shoes and the cliff?

                

Figure \(5.22\) Part of the climber’s weight is supported by her rope and part by friction between her feet and the rock face.

Equation Transcription:

Text Transcription:

52.0 kg

5.22

Questions & Answers

QUESTION:

Consider the \(52.0-kg\) mountain climber in Figure \(5.22\). 

(a) Find the tension in the rope and the force that the mountain climber must exert with her feet on the vertical rock face to remain stationary. Assume that the force is exerted parallel to her legs. Also, assume negligible force exerted by her arms.

(b) What is the minimum coefficient of friction between her shoes and the cliff?

                

Figure \(5.22\) Part of the climber’s weight is supported by her rope and part by friction between her feet and the rock face.

Equation Transcription:

Text Transcription:

52.0 kg

5.22

ANSWER:

Solution

Step 1 of Step 4

Here we have to push a ice rock in forward direction of mass 45 kg. To push an ice rock what is the force he required to move a ice block. The free body diagram is given below.

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