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DravenHill

There is the length of the string, the bob ( anything weighed at the end of the string).  A pendulum works off of gravity and the Earth's rotation. I really tried so please give it to me. Everyone else will prob. Google it.

ramakmusa

Answer:1. Fixed point. The fixed point is where the wire hangs and weight attached to the other end point of the wire.

2. String/wire. Depending on the length of string/wire, the pendulum swings at a uniform speed.

3. Bob or weight.

Explanation:

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