There two equally slow points- the upper ends of the swing are zero. The pendulum swings as far up as it will go, and as it reverses to swing down again, the speed is (very briefly) zero.
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The slowest moving point in a pendulum swing is at the highest point of the swing, known as the amplitude. At this point, the pendulum momentarily stops before reversing its direction due to the change in potential energy.
At the highest point of the swing, the pendulum has maximum potential energy since it is at its highest position. The pendulum has maximum kinetic energy at the lowest point of the swing since it is moving with the highest velocity at this point.
A pendulum has the most momentum at the lowest point of its swing, where it is moving fastest, due to the combined effect of its velocity and mass.
An extreme point on a pendulum swing is the highest or lowest point the pendulum reaches during its motion. At this point, the pendulum temporarily comes to a stop before changing direction.
At the bottom of its swing in the center, the pendulum has maximum kinetic energy (KE) and no potential energy (PE) because it is moving its fastest and is at its lowest point.
The kinetic energy is greater at the bottom of the swing because the pendulum is moving fastest at that point. As the pendulum swings down, the potential energy is converted into kinetic energy, resulting in increased speed at the bottom.