The period of a pendulum is directly proportional to the square root of its length. This means that the longer the length of the pendulum, the longer its period will be. Conversely, a shorter pendulum will have a shorter period.
The mass of a pendulum does not affect the relationship between period and length. As long as the length remains constant, the period will not be affected by the mass of the pendulum.
The relationship between period and length is only applicable to simple pendulums, which are pendulums with a small swinging mass and a weightless string. Complex pendulums, such as those with a large swinging mass or a rigid rod, have different relationships between period and length.
The relationship between period and length of a pendulum is affected by gravity. A higher gravitational force will result in a shorter period, while a lower gravitational force will result in a longer period. However, for small oscillations, this effect is minimal and can be ignored.
The angle of release does not affect the relationship between period and length of a pendulum. As long as the length remains constant, the period will not be affected by the angle of release. However, the amplitude (maximum angle of swing) will be affected by the angle of release.