Q- In the figure q₁ = 4µC, q₂ = -3µC and q₃ =q₄= -2µC.

a. What is the magnitude of force exerted on charge q₁ by charge q₂?

b. What is the magnitude of force exerted on charge q₁ by charge q₃?

c. What is the horizontal component of force exerted on q₁ by q₃?

d. What is the resultant force exerted on charge q₁ by the other three charges?

e. q₁ were replaced by a charge of -4 µC, what would be the resultant force exerted on it by the other three charges?

Solution: