Three point charges are on the x axis: −2 ¦ÌC

Question

at −3 m, 8 ¦ÌC at the origin, and −10 ¦ÌC at
3 m.
Find the force on the first charge.
The value of the Coulomb constant is
8.98755 ¡Á 109 N ¡¤ m2/C2.

Answer 1

Add the Coulomb's-Law forces due to the second and third charges, acting on the first.