Interpretation: The reason due to which toes do not break if a car runs over the end of your foot needs to be explained.
Concept Introduction:
Solids are the substances with least intermolecular distance and strongest intermolecular forces whereas gases have largest intermolecular distance and weakest intermolecular forces. Liquids have intermediate value of intermolecular distance and intermolecular forces.
The interactions between solids can be noticed in everyday life. Like the friction between road and foot while walking or running is interaction between two solid surfaces.
Answer to Problem 10E
Due to speed of car, the car tyre does not interact for long time with toe and also the pressure and weight of car move ahead in few seconds.
Explanation of Solution
Atmospheric pressure = 1 atm
1 atmosphere = 14.7-pounds/ in2
The average mass of a car is more than 2000 kg. Due to speed of car, the car tyre does not interact for long time with toe and also the pressure and weight of car move ahead in few seconds.
Therefore when the car runs over the foot, the toes do not break.
Due to speed of car, the car tier does not interact for long time with toe and also the pressure and weight of car move ahead in few seconds.
Chapter U3 Solutions
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