Concept explainers
(a)
To find: The scale reading in N and kg when elevator is at rest.
(a)
Answer to Problem 88GP
Explanation of Solution
Given:
Formula Used:
Weight is
Calculation:
Conclusion:
(b)
To find: The scale reading when the elevator is ascending with constant speed.
(b)
Answer to Problem 88GP
Explanation of Solution
Given Data:
Formula Used:
Calculation:
Conclusion:
(c)
To find: The scale reading when the elevator is falling with constant speed.
(c)
Answer to Problem 88GP
Explanation of Solution
Given Data:
Formula Used:
Calculation:
Conclusion:
(d)
To find: The scale reading when the elevator is accelerating upward direction.
(d)
Answer to Problem 88GP
Explanation of Solution
Given Data:
Formula Used:
Calculation:
The net force is equal to the weight
The weight of the person is,
Substitute
Therefore, the scale read of the elevator in kg is
Conclusion:
(e)
To find: The scale reading when the elevator is accelerating downward direction.
(e)
Answer to Problem 88GP
Explanation of Solution
Given Data:
Formula Used:
Calculation:
Conclusion:
Chapter 4 Solutions
Physics: Principles with Applications
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