What Is the Net Force and Electric Field on Charge 1?

In summary, Colomb's Law Word Problem is a physics problem that involves calculating the electrostatic force between two charged particles using the equation F = k(q1*q2)/r^2. The unit of measurement for the force is Newtons (N) and it can be applied to any charged particles as long as the distance and magnitude of their charges are known. Some real-life applications of this problem include understanding the behavior of particles in an atom, electronic devices, and in space.
  • #1
waleed.ahmed
2
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Homework Statement


Examine the charge distribution shown.

attachment.php?attachmentid=56193&stc=1&d=1362094909.png


a) Find the net force on charge 1
b) What is the net electric field acting on charge 1?



Homework Equations





The Attempt at a Solution


Homework Statement





Homework Equations



F = (k)(Q1)(Q2)
____________
d^2

The Attempt at a Solution


 

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  • #2
You have the equation for electrostatic force. Apply it to the given setup.
 
  • #3
F = (2)(+2 x 10^-5)(-3 x 10^-5)
Is that right?
 
  • #4
waleed.ahmed said:
F = (2)(+2 x 10^-5)(-3 x 10^-5)
Is that right?
Some things are missing from that equation. Don't forget that force is a vector.
 
  • #5


a) To find the net force on charge 1, we need to calculate the electric force between charge 1 and each of the other charges. We can use Coulomb's law, which states that the force between two charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them. In this case, we have three charges: Q2, Q3, and Q4.

Using Coulomb's law, we can calculate the force between charge 1 and Q2, Q3, and Q4 separately. Then, we can find the vector sum of these forces to determine the net force on charge 1. The formula for Coulomb's law is F = (k)(Q1)(Q2)/d^2, where k is the Coulomb's constant, Q1 and Q2 are the charges, and d is the distance between them.

b) The net electric field acting on charge 1 can be found by dividing the net force by the charge of the particle. This is because the electric field is a measure of the force per unit charge. So, we can use the formula E = F/Q1 to calculate the net electric field on charge 1. This will give us the magnitude and direction of the electric field at the location of charge 1.
 

FAQ: What Is the Net Force and Electric Field on Charge 1?

What is Colomb's Law Word Problem?

Colomb's Law Word Problem is a physics problem that involves calculating the electrostatic force between two charged particles based on their distance and the magnitude of their charges.

How do you solve a Colomb's Law Word Problem?

To solve a Colomb's Law Word Problem, you need to use the equation F = k(q1*q2)/r^2, where F is the electrostatic force, k is the Coulomb's constant, q1 and q2 are the charges of the particles, and r is the distance between them. Plug in the given values and solve for F.

What is the unit of measurement for the electrostatic force in Colomb's Law Word Problem?

The unit of measurement for the electrostatic force in Colomb's Law Word Problem is Newtons (N).

Can Colomb's Law Word Problem be applied to any charged particles?

Yes, Colomb's Law Word Problem can be applied to any charged particles, as long as the distance between them is measurable and the magnitude of their charges is known.

What are some real-life applications of Colomb's Law Word Problem?

Colomb's Law Word Problem is used in various real-life applications, such as calculating the force between charged particles in an atom, determining the electric field strength in a circuit, and predicting the behavior of particles in a plasma. It is also used in designing electronic devices and understanding the behavior of charged particles in space.

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