An object is called as a good conductor of electricity when it allows the electrons to flow within it easily (for example a copper rod). Resistance it the opposition to the f â¦ low of electrons through it.
The Ambush of the steamboat J. R. Williams, which was carrying supplies from Fort Smith to Fort Gibson along the Arkansas River on July 16, 1863 demonstrated this. The steamboat was destroyed, the cargo was lost, and the tiny Union escort was run off. The loss did not affect the Union war effort, however.
What is Buoyancy? Boats, canoes, ships, kayaks, and rafts all have one thing in common- they are used for transport on seas and rivers, because they float. Itâs easy to figure out that if they are made out of wood they will float, because wood floats in water. However, when you see a huge cargo ship or a cruise-liner that looks like a floating building on the water, you canât help but wonder why this massive chunk of metal doesnât sink.