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Chapter 4: Q17DQ (page 713)

In Example(Section) we saw that the electricforce between two aparticles is of the order oftimes asstrong as the gravitational force. So why do we readily feel thegravity of the earth but no electric force from it?

Short Answer

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Answer

Humans feel the gravity of the earth but no electric force from it because human bodies are electrically neutral.

Step by step solution

01

Definition of the gravity and the electric force 

Gravity is a primary interaction that attracts (or gravitates) all entities with mass or energy. For instance, the gases in the sun are held together by gravity.

An electric force is the attracting or repulsive interface between individuals' charged things.For instance, Rubbing the cloth with iron rod.

02

Explanation for the gravity of the earth

Humans feel the Earth's gravity, but not an electric force, since human bodies are electrically neutral, and the Earth as a whole is also neutral.

As a result, the only force that exists between humans and the Earth is gravitational pull, which is caused by the Earth's massive mass and our mass.Because human bodies, like the Earth, are electrically neutral in general.

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Most popular questions from this chapter

Electric eels generate electric pulses along their skin that can be used to stun an enemy when they come into contact with it. Tests have shown that these pulses can be up to 500V and produce currents of 80mA(or even larger). A typical pulse lasts for 10ms. What power and how much energy are delivered to the unfortunate enemy with a single pulse, assuming a steady current?

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