Question

On a dry day, your hair flies apart when you brush it. How would you explain this?

Short answer

When you brush your hair, the strands become charged with similar charges that reject each other. Hence, our hair spreads out.

Step-by-step solution

Given information  

We need to find out why your hair separates when you brush it on a dry day.

Explanation 

Electrons are exchanged when two items rub against each other. Hair follicles are straightened during dry weather and have picked up electrons throughout the rubbing process while the comb gain opposite charge. The follicles are charged similarly and reject each other. The electrostatic force is the force responsible for this. The amount of moisture in the air distinguishes a human day from a dry day. Water, as we all know, has the ability to conduct electricity. If there is a lot of moisture in the air, the extra electrons can be absorbed, and the electrons can flow around. Because those electrons can flow through the moisture, static electricity occurs mostly on dry days. Then your hair spreads out since it is so light that the electromagnetic repulsion, or magnetic force, has an effect.