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A time-certain position refers to a job or appointment that has a specified end date or duration. This type of position is typically temporary or fixed-term, with a clear start and end date agreed upon at the outset.

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1y ago

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Why acceleration of pendulum is zero at the mean position?

The acceleration of a pendulum at the mean position is zero because the force of gravity acting on the pendulum's mass is balanced by the tension in the string. When the pendulum is at its mean position, the forces acting on it are equal and opposite, resulting in a net force of zero and therefore zero acceleration.


What is mean position in pendulum?

The mean position of a pendulum is the equilibrium point where the pendulum comes to rest when not in motion. It is the point where the gravitational force acting on the pendulum is balanced by the restoring force.


What is the mean position of the pendulum?

The time it takes a pendulum to complete one full cycle from one side to the other and back again is called its period. The angular distance swept by a pendulum as it swings from one side to the other is called its amplitude.


Why does the vibrating body move away from mean position?

When a vibrating body is displaced from its mean position, restoring forces act to bring it back to equilibrium. However, if the amplitude of vibration is large enough, the body may overshoot the mean position due to the inertia of its motion, causing it to oscillate around the equilibrium point.


What is the time period of second pendulum from its extreme to mean position?

The time period of a second pendulum from its extreme position to its mean position is one second. A second pendulum is a pendulum with a length such that its period of oscillation is two seconds when swinging between two extremes.