Additionally Spinning mass resists motion at a square of the distance from the axis of rotation (mass moment of inertia). This is the principle of why riding a bike is stable. It's due to the mass of the tires etc spinning.
You'll feel resistance moving this while in motion vs when the string is limp.
edit: Guys, yes there is more at play with a bike I was trying to keep it simple with something most people could relate to. Its not the only reason but it does contribute. For a fuller perspective on bikes
The tires of a bike don't weigh enough to have a large gyroscopic effect. There have been bicycles built with no gyroscopic effect that remain upright. There is a minor gyroscopic effect, but it works to steer the wheels back under the center of mass, it's not strong enough to keep the bike from tipping.
It's amazing how even seemingly "basic" mechanics can get stupid complicated and unintuitive in many situations. Like that wind powered vehicle that can travel faster than the wind in the direction of the wind.
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u/Meta_Spirit 26d ago
Spins fast enough to cause tension along the whole string, causing an illusion of rigidity.