Why does a pendulum keep swinging?

The science behind the pendulum is explained through the forces of gravity and inertia. The Earth's gravity attracts the pendulum. This swinging-back-and-forth force continues until the force that started the movement is not stronger than gravity, and then the pendulum is at rest again.

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Correspondingly, what does it mean when the pendulum swings back and forth?

This back and forth motion is called "oscillation." Its position is said to oscillate back and forth. The period is the amount of time it takes the bob to make one round trip. If the pendulum bob is pulled back and released, it returns to the hand that released it after a time interval equal to one period. Subsequently, what is pendulum energy? An ideal pendulum system always contains a stable amount of mechanical energy, that is, the total of kinetic plus potential energy. As the pendulum swings back and forth, the balance between the two types of energy changes constantly. At some points in its swing, the pendulum has more kinetic energy.

And another question, how long does it take a child on a swing to complete one swing?

Also, how does gravity affect a pendulum? Gravity is one of two main forces acting upon a pendulum at any given time, helping create the back-and-forth motion of the swinging weight.

Correspondingly, how long does a pendulum swing?

A pendulum with a length of 1 meter has a period of about 2 seconds (so it takes about 1 second to swing across an arc). This means that there is a relationship between the gravitational field (g) and Pi. How do you make a pendulum last longer? This is adjusted by turning the nut at the bottom of the pendulum. Moving it up pushes the "bob" (the round disk) up so the clock will run faster. If you turn the nut as to lower the "bob", the clock will run slower.