# What happens when 2 objects are rubbed together?

## What happens when 2 objects are rubbed together?

When two different materials are rubbed together, there is a transfer of electrons from one material to the other material. This causes one object to become positively charged (the electron loser) and the other object to become negatively charged (the electron gainer). 2.

### How will you know if the object will become positively or negatively charged?

Answers: a. If a neutral atom gains electrons, then it will become negatively charged. If a neutral atom loses electrons, then it become positively charged.

#### Which objects can be charged by rubbing?

Charging by rubbing

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Objects rubbed Materials used for rubbing Charged /not charged
Refill Polythene, woollen cloth ﻿ Charged﻿
Balloon Polythene, woollen cloth ﻿ Charged﻿
Eraser Wool Charged
Steel spoon Polythene, woollen cloth not charged

What happens when you rub two negatively charged objects together?

In contrast to the attractive force between two objects with opposite charges, two objects that are of like charge will repel each other. Similarly, a negatively charged object will exert a repulsive force upon a second negatively charged object. Objects with like charge repel each other.

When two object rub together what force do they produce?

Electrostatic forces are non-contact forces; they pull or push on objects without touching them. Rubbing some materials together can result in something called ‘charge’ being moved from one surface to the other.

## What happens as objects rub together and form sparks?

Rubbing certain materials together can cause the buildup of electrical charges on the surfaces. Opposite charges attract and same charges repel. Sparks are an extreme case of electrons being attracted to an object that has a positive charge and jumping across an air gap, thus heating the air for a fraction of a second.

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### Why do objects become positively and negatively charged?

For an object to become charged, it must either gain or lose electrons. Losing electrons results in more positive charge than negative charge, making the object charged positively. Gaining electrons results in more negative charge than positive charge, making the object charged negatively.

#### When we say that an object is positively charged This just means that?

If an object has a positive charge, that means it has lost some electrons and now has more protons than electrons.

What is electrostatic force example?

The electrostatic force is the force that exists between electrically charged particles or objects at rest. Examples of electrostatic forces: When we run a piece of paper with the oil in our head with the help of a comb produces electrostatic force. Lightning is also another example of electrostatic force.”

What is happening when two objects are rubbed together and static electricity results?

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According to the University of Hawaii, “When two objects are rubbed together to create static electricity, one object gives up electrons and becomes more positively charged while the other material collects electrons and becomes more negatively charged.” This is because one material has weakly bound electrons, and the …