Concept explainers
To find: The possibility of a painter walking safely to both ends and the distance that the painter can walk at both ends.
Answer to Problem 70GP
Yes,
Explanation of Solution
Given:
The mass of the painter,
The mass of the scaffold,
The mass of pail of paint,
Concept used:
The painter can walk to the right safely is calculates by putting the tension at the left,
Taking torque about point B:
The painter can walk to the left safely is calculated by putting the tension at the right,
Taking torque about point A:
Calculation:
Substituting the given values in equation (1):
Substituting the given values in equation (2):
Conclusion:
The right end is safer as it has a longer distance.
Chapter 9 Solutions
Physics: Principles with Applications
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