Accepted Answer
Yes. But it can't be set in motion by anything the rider does. That must be the result of an external force.Once the bike is moving on the frictionless surface, it can't speed up, or slow down, or change direction.Wait. I can get even more technical than that. Starting, stopping, orany change in the bike's motion on the frictionless surface, has to be accomplished by some means that discards mass ... like a rocket ora jet engine, or by having the rider spit or throw his shoes.And shalom, mazal, bracha, and happy omer #26 to you & yours.
Suggested Answer
no it would be very hard to ride it with out gavel
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