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Why submarines need fins?
They need fins because the engine and the fins make a good combo The fins push the water aside while the engine propells the sub forward and that's why i think Fins are nessesary in Subarines.
What do seahorses use to help them swim?
They use motors attacked to their fins to hit about 80mph or man made submarines
Does a submarine need fins to move?
It doesn't need fins to move forwards, but fins are used to control rolling from side to side
Does a wobbegong have fins?
Yes. Wobbegongs are sharks, and need to be able to move freely in the water, so they do have fins. They have short caudal fins and much broader pectoral and pelvic fins.
Why are submarines important?
submarines are important because people need to go under the sea and do what they got to do to save the world
Why do water rockets need fins?
Water rockets need fins because the rocket needs to stay in balance....without fins on a water rocket, the water rocket would be going out of control because it is not in balance!
Why does a seahorse have small fins?
They just move with waves and float so they don't need huge fins.
What are the basic idea of nuclear submarines?
Nuclear submarines are powered by a nuclear reactor and they are completely independent of air, so there is no need to surface frequently.
Why do you put four fins on a rocket?
because they don't need anymore than three fins to keep them on straight course
Why do you need 3 fins for a rocket?
Two fins - placed exactly opposite each other - will still allow the rocket to 'wobble'. Three (or more) fins equally spaced provide stability.
Do rockets need fins in space?
No, rockets do not need fins in space because fins are used for stability and control in Earth's atmosphere, not in the vacuum of space. In space, rockets rely on thrusters for maneuvering and direction control.
Do submarines need gas?
No - all submarines, be it nuclear or diesel-electric, use diesel fuel, either for primary engines (DE) or backup generator (nuclear).
