Conceptual Physical Science Explorations
2nd Edition
ISBN: 9780321567918
Author: Paul G. Hewitt, Leslie A. Hewitt, John A Suchocki
Publisher: Addison Wesley
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Textbook Question
Chapter 33, Problem 12RQ
What causes a star to contract inwards?
Expert Solution & Answer
To determine
The cause of contraction of star inwards.
Answer to Problem 12RQ
The force of gravity causes the contraction of stars inwards.
Explanation of Solution
There are two forces that act inside a star, that is the force due to gravity and the thermal pressure of nuclear explosion from which star is made. When these forces are balanced in the star, the star is in the stable stage.
The force due to gravity is responsible for the contraction of the star in inwards direction. There are fusion reactions occurs in the star, where hydrogen fuses into helium in the core.
As the fusion continues, carbon will be accumulating in the star’s core which is known as “ash”. The fusion then slowed down and will not be happening. The gravity predominates and the star contracts which boosts the temperature.
Conclusion:
Thus, the force of gravity causes the contraction of stars inwards.
Chapter 33 Solutions
Conceptual Physical Science Explorations
Ch. 33 - What are constellations?Ch. 33 - Why does an observer at a given location see one...Ch. 33 - Prob. 3RQCh. 33 - Is the light-year a measurement of time or...Ch. 33 - Prob. 5RQCh. 33 - Prob. 6RQCh. 33 - What is a H-R diagram?Ch. 33 - Prob. 8RQCh. 33 - Prob. 9RQCh. 33 - Prob. 10RQ
Ch. 33 - Prob. 11RQCh. 33 - What causes a star to contract inwards?Ch. 33 - Prob. 13RQCh. 33 - Prob. 14RQCh. 33 - Prob. 15RQCh. 33 - Prob. 16RQCh. 33 - Prob. 17RQCh. 33 - Why do we not think the Sun will eventually became...Ch. 33 - How does the mass of a star before its collapse...Ch. 33 - If black holes are invisible, what is the evidence...Ch. 33 - Prob. 1TCCh. 33 - Prob. 2TCCh. 33 - Prob. 3TCCh. 33 - Prob. 4TCCh. 33 - Prob. 5TCCh. 33 - Prob. 1TECh. 33 - On the Moon, stars other than the Sun can be seen...Ch. 33 - We see the constellations as distinct groups of...Ch. 33 - Prob. 4TECh. 33 - If you were to travel to the north pole, where in...Ch. 33 - What is relationship between white drawf and nova?Ch. 33 - What event marks the birth of a star?Ch. 33 - Prob. 8TECh. 33 - Prob. 9TECh. 33 - Prob. 10TECh. 33 - Prob. 11TECh. 33 - Prob. 12TECh. 33 - Prob. 13TECh. 33 - Prob. 14TECh. 33 - Prob. 15TECh. 33 - Prob. 16TECh. 33 - Prob. 17TECh. 33 - Prob. 18TECh. 33 - Prob. 19TECh. 33 - Prob. 20TECh. 33 - Summer and winter constellations are different...Ch. 33 - Prob. 2RATCh. 33 - The star nearest Earth is (a) Alpha Centauri. (b)...Ch. 33 - Prob. 4RATCh. 33 - Prob. 5RATCh. 33 - Prob. 6RATCh. 33 - Prob. 7RATCh. 33 - Prob. 8RATCh. 33 - Prob. 9RATCh. 33 - A black hole is (a) an empty region of space with...
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