
Concept explainers
(a)
The reason the physical model of the solar system is used by the scientists.
(a)

Explanation of Solution
The physical model of the solar system describes the motion of the planets in the solar system. This model is the basis for the study of the motion of a particular planet or the motion of the planet around the sun. The sun is at the center of the solar system. This model provides the data for the other studies related to planetary motion.
(b)
The reason the computer model of the aerodynamics is used by the scientists.
(b)

Explanation of Solution
The use of computers for the study of aerodynamics gives the computer model of aerodynamics. The experiments for the study of the aerodynamics of the object are very complex. It isn't easy to perform these experiments for every object. To avoid these difficulties, experiments are performed for some standard objects. The observations and the results of these standard experiments are recorded in the computers. The results for the experiments of the other objects are predicted based on the previous data from the computer model of aerodynamics.
(c)
The reason for using the mathematical model of the force of attraction between the two objects by the scientists.
(c)

Explanation of Solution
The mathematical model of a force of attraction between two objects describes the interaction between the objects. The general relation between the physical quantities and force of attraction gives the mathematical model of the force of attraction between the two objects. The force of attraction can be calculated using the mathematical model on the basis of this model.
Chapter 1 Solutions
Glencoe Physics: Principles and Problems, Student Edition
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