There is no direct relationship between power
and either of those quantities.
A material that can easily flow is called a...
A. Fluid.
It will depend on the frictional force involved in the two. I think it will take more force in sled.
Both fission and fusion are nuclear reactions that produce energy, but the applications are not the same. Fission is the splitting of a heavy, unstable nucleus into two lighter nuclei, and fusion is the process where two light nuclei combine together releasing vast amounts of energy.
I'm sure it's Centripetal force