Physics, 19.04.2020 00:16 Elijah7934
A balloon is floating in air. Which of the following describes the microscopic cause of the downward force exerted on the air by the balloon?
a) Electrostatic attraction between the nuclei in the molecules in the air and the electrons in the molecules of the balloon
b) Electrostatic repulsion between the nuclei in the molecules in the air and the nuclei in the molecules of the balloon
c) Electrostatic repulsion between the electrons in the molecules in the air and the electrons in the molecules of the balloon
d) Gravitational attraction between the molecules of the air and the molecules of the balloon
Answers: 1
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A balloon is floating in air. Which of the following describes the microscopic cause of the downward...
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