Have you ever seen a big, powerful train that goes choo-choo along the tracks? Well, electric locomotives are just like those trains, except they don't need any fuel to run. And some of them are special because they have a rigid frame.
Now, imagine you are holding two toy cars in each hand. When you move your hands, the cars move too, right? That's because your hands are like the frame of the cars. If your hands were flexible, then the cars would bend and wobble and wouldn't move in a straight line.
A rigid-framed electric locomotive is like the toy cars with a strong frame that doesn't bend or wobble. It has a solid structure that keeps it stable when it's traveling at high speeds on the tracks. This is important because if the frame were flexible, then the locomotive might derail or not be able to pull heavy loads.
To make the locomotive move, electricity is used to power the wheels. The electric motor in the locomotive gets energy from a power source, like overhead wires, and converts it into mechanical power that turns the wheels. This is what makes the locomotive move forward.
So, in simpler terms, a rigid-framed electric locomotive is like a sturdy toy car that needs electricity to run and can pull lots of heavy train cars without bending or wobbling on the tracks.