n the figure take q1 = 22uC and q2 = 20u. The force on q_1 points in the - x direction, What is the magnitude of the force on q_1? q3 = 20uC. I don't know where to start, can someone help me?
Responses
Physics - bobpursley, Thursday, August 13, 2009 at 11:21am
You have to know position of q2, then use coulomb's law.
the postion of q2 is 2. Do i have to include q3 to find the magnitude of q1?
Again, you have to figure the distances, then use coulomb's law.
To find the magnitude of the force on q1, you can use Coulomb's law. Coulomb's law states that the magnitude of the electrostatic force between two point charges is directly proportional to the product of the charges and inversely proportional to the square of the distance between them.
In this case, you have q1 = 22uC and q2 = 20u, and you need to know the position of q2. Let's assume that q2 is located at a distance of 2 units from q1.
Next, you need to calculate the force on q1. The formula for Coulomb's law is:
F = (k * |q1 * q2|) / r^2
where F is the electrostatic force, k is Coulomb's constant (9x10^9 Nm^2/C^2), q1 and q2 are the charges, and r is the distance between the charges.
Substituting the values into the formula:
F = (9x10^9 Nm^2/C^2 * |(22x10^-6 C) * (20x10^-6 C)|) / (2)^2
Simplifying the equation:
F = (9x10^9 Nm^2/C^2 * 22x10^-6 C * 20x10^-6 C) / 4
F = 99 N
Therefore, the magnitude of the force on q1 is 99 N.