# Physics

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When the pendulum bob reaches the mean position, the net force acting on it is zero. Why then does it swing past the mean position?

I have no idea.. i know that it has momentum ..but...

• Physics -

this is the inertial motion

• Physics -

Doesn't that mean it's at rest? I thought it had something to do with gravity pulling on the object? Because the bob is still moving so technically it's not at rest right?

• Physics -

http://www.citycollegiate.com/wave_soundXc.htm

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