Find the modulus of force with which two stationary point charges interact at a distance of 1 m
| September 8, 2021 | education
Find the modulus of force with which two stationary point charges interact at a distance of 1 m. The moduli of the charges are the same and equal to 1 C.
q1 = q2 = 1 Cl.
k = 9 * 10 ^ 9 N * m2 * Cl-2.
r = 1 m.
F -?
The force F, which arises between two point charges q1 and q2, located at a distance r, is determined by Hooke’s law: F = k * q1 * q2 / r2, where k is an electrostatic constant.
F = 9 * 10 ^ 9 N * m2 * Cl-2 * 1 Cl * 1 Cl / (1 m) ^ 2 = 9 * 10 ^ 9 N.
If the interacting charges have the same sign, then a force of mutual repulsion arises between them. If electric charges have opposite signs of charges, then a force of mutual attraction arises between them.
Answer: between point charges there is an interaction force F = 9 * 10 ^ 9 N.
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