I have a pendulum clock or
my dog's tail swung like a pendulum when he heard the jingle of his lead.
Dictionary definition for pendulum- A weight hung from a fixed point so that it can swing freely backward and forward, esp. a rod with a weight at the end that regulates the mechanism of a clock.
The estimate for the calibration of my pendulum was pending.
That's not really a pendulum, it is merely pendulumlike.
what is a good sentence for the word opposite
A good sentence for the word baffled is:
The pendulum swings both ways. Pendulum exercises are used to increase your ROM after shoulder surgery.
Caroline and Jarred asked Mrs.West about how a pendulum works.
Any sentence that properly uses the word additionally is a good sentence. Additionally, the above is a great sentence.
Your question is a good sentence using the word "common".
I hope you are not expecting any technical related sentence containing the word oscillate since you have posted the question under Science Category. However, a sentence for the word oscillate can be "the pendulum of a clock oscillates across it's mean position after every 1 second."
"I am using a sentence with the word economics."
There is not just one good sentence for "there," there are many.
... dependent on the length of the pendulum. ... longer than the period of the same pendulum on Earth. Both of these are correct ways of finishing that sentence.