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Old 08-18-2011, 08:18 PM
JDiepstra JDiepstra is offline
LawnSite Bronze Member
Join Date: Dec 2008
Location: Grand Rapids MI
Posts: 1,512
Originally Posted by Richard Martin View Post
You're leaving out the effects of gravity. Since the blade is moving strictly in a horizontal plane to gravity it cancels the effects of gravity out.

Try stopping the Corvette and then try stopping the semi. It takes significantly more force to stop the 82,000 pound semi then it does to stop the 3,100 pound Corvette. It's called inertia.

" Inertia is the resistance of any physical object to a change in its state of motion or rest, or the tendency of an object to resist any change in its motion. It is proportional to an object's mass."

The heavier blade has more inertia due to it's increased mass.
ok in that case, youre forgetting about friction. Those blades arent spinning freely. U ever tried turning the blades with the belt still in place?
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