Concept explainers
a.
Effect on body mass.
a.
Answer to Problem 87A
Mass is increased.
Explanation of Solution
Given:
Body mass of previous day is 50 kg.
On present day it is found that weight is gained while the location is same.
Formula used:
Weight is given as,
Calculation:
Since the location is same, it means
As,
So, weight
Hence, increase in weight will results in increase in mass.
Conclusion:
Therefore, the mass will increase.
b.
Effect on ratio of weight to mass.
b.
Answer to Problem 87A
Ratio of W to m (weight to mass ratio) will remain constant.
Explanation of Solution
Given:
Body mass of previous day is 50 kg.
On present day it is found that weight is gained while the location is same.
Formula used:
Weight is given as,
Calculation:
Rearranging the formula,
Ratio of
If weight is increased then mass will also increase. Also, the location is not changed.
So,
Conclusion:
Therefore, the ratio of weight to mass will remain constant.
Chapter 7 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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