The lines of force due to charge particles are:

Explanation

The explanation is given below: Electric field lines (or lines of force) are not always straight; they can be curved. This is because they are a graphical representation of the electric field's direction and intensity at every point in space around a charge distribution. The curvature of these lines is a consequence of the way electric fields interact with charge distributions and is based on the fundamental principles of electric field behavior: Radial Symmetry: Electric field lines emanate radially from a positive charge and converge radially toward a negative charge. The radial symmetry of electric field lines results in their curvature. As you move away from a point charge, the electric field lines curve outward, spreading in all directions. Superposition: In the presence of multiple charges, the electric field at a point is the vector sum of the electric fields produced by each individual charge. This superposition of electric fields often results in the curved patterns of field lines, which reflect the combined effects of all nearby charges. Charge Distributions: When dealing with complex charge distributions, such as non-uniformly charged objects, the electric field lines can take on intricate curved patterns, reflecting the non-uniformity of the charge distribution. Absence of Electric Monopoles: In a more fundamental sense, the absence of electric monopoles (single isolated positive or negative charges) would lead to curved field lines. While point charges can have straight field lines, in many practical situations, electric fields are influenced by charge distributions that have both positive and negative charges, leading to curved field lines. In summary, electric field lines are always curved when considering the general behavior of electric fields in response to charge distributions, superposition of fields, and the fundamental principles of electrostatics. Straight electric field lines are a simplified idealization that may apply to very simple, idealized cases but are not representative of the general behavior of electric fields around more complex charge distributions.