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Physics 15 Online
OpenStudy (pixiedust1):

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OpenStudy (roadjester):

I would say mechanical energy... @LastDayWork

OpenStudy (roadjester):

@wolfe8

OpenStudy (lastdaywork):

What do you think keeps the pendulum mooooooooving ??

OpenStudy (lastdaywork):

Yea..you can say it keeps moving because of conservation of energy.. But the potential is due to the gravitational field. Mechanical energy is simply a term to denote the summation of PE and KE. Hence the answer should be Gravitational Energy. @agent0smith Am I correct ??

OpenStudy (lastdaywork):

Kinetic energy is linked to potential energy. As the ball moves from higher potential to lower potential; its kinetic energy increases, and vice-versa.

OpenStudy (lastdaywork):

Consider a ball to be released at 'rest' from a height 'h' above the ground. Describe the motion.

OpenStudy (agent0smith):

Without gravitational potential energy, pendulums don't move

OpenStudy (lastdaywork):

You're welcome :)

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