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Q: What determines if an electric force is attractive or repulsive?
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What force gravitational or electrical repels as well as attracts?

The gravitational force is only attractive. Electric and magnetic forces can be both attractive and repulsive.


The gravitational force is always attractive while the electric force is both attractive and repulsive. what accounts for this difference?

All mass has the same sign, while electric charge can be either positive or negative.


Is gravity strictly an attractive force or is it magnetism where it can be attractive or repulsive?

Gravity is strictly an attractive force.


Compared to the electric force the gravitational force between 2 protons is?

In the same direction, attractive not repulsive, and many tens of orders of magnitude smaller.


What do you use to measure electrical force?

Electric force is the attractive or repulsive force between two charged particles. The potential difference between two points can be measured with a Voltmeter.


What is the basic difference between attractive and repulsive forces?

differentiate attractive force from repulsive pulse


This is a force where objects are attracted or repelled to one another?

Gravitational force exists between masses. Gravitational force is only of attractive. No repulsive gravitational force has been found so far. But in electrostatics and magnetism, the force between electric charges and magnetic poles respectively are of both repulsive and attractive. Nuclear force between the nucleons within the nucleus of the atom is also attractive in nature.


What instrument do you use to measure electrical force?

Electric force is the attractive or repulsive force between two charged particles. The potential difference between two points can be measured with a Voltmeter.


How is newtons law different from coulombs law?

Both have the concept of variation of force inversely with the square of the distance. But in case of coulomb we have electric charges and in case of newton's gravitation law we have masses. Coulomb's force can be either attractive and repulsive where as Newton's is only attractive


What force include attractive and repulsive interactions?

Electrostatic forces


What happens before electric current is created?

An electric current is the result of a voltage. Considering the individual charged particles (often these are electrons), they must be subjected to electric forces - for typically an attractive force to one side, and a repulsive force to the other.


What kind of a force exists between a nucleus and outer level electrons attractive or repulsive?

attractive