Common questions

What is the time period of a simple pendulum in a freely falling lift?

What is the time period of a simple pendulum in a freely falling lift?

During free fall the body feels weightless inside the lift. Hence, the time period of a simple pendulum in a freely falling lift will be infite(∞).

What is the time period of a simple pendulum of infinite length?

T=2π√Reg.

What will happen to time period if lift falls freely?

If a pendulum is suspended in a lift and lift is falling freely, then its time period becomes infinite.

What happens to the period of a pendulum in an elevator?

The decrease in the period depends on the upward acceleration of the elevator. A pendulum with a period of 1.00 second before the upward acceleration will have a period of 0.71 second during an acceleration of 9.8 m/s^2 added to g. If the elevator accelerates upward the period of the pendulum decreases.

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How does a pendulum in free fall behave?

It depends on the time when free fall starts. The bob will continue to move it’s angular motion without any change in its angular speed -so the angular momentum- with respect to freely falling lift. It continues to rotate with this -constant- angular speed while free falling until it hits the ceiling.

What is maximum possible time period of a pendulum?

How the Maximum time period of simple pendulum is 84.6 minutes? – Quora.

What is the formula for time period of pendulum?

The time period of a simple pendulum is calculated by the formula T=2π√lg, where l denotes the length of the wire of the simple pendulum and g is acceleration due to gravity at the place where the experiment is being performed.

What is periodic time of a simple pendulum?

Section Summary. A mass m suspended by a wire of length L is a simple pendulum and undergoes simple harmonic motion for amplitudes less than about 15º. The period of a simple pendulum is T=2π√Lg T = 2 π L g , where L is the length of the string and g is the acceleration due to gravity.

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What is the time period of a simple pendulum in a lift descending with constant acceleration g?

Explanation: When the lift falls freely under gravity, effective ‘g’ for pendulum in the lift = zero. T = 2π √(l/g) = 2π√(l/o) = Infinite.

What happens to the period of simple pendulum if the elevator moves with constant velocity?

A simple pendulum suspended from the ceiling of a stationary lift has period T0. When the lift descends at steady speed the period is T1, and when it descends with constant downward acceleration (which is less than g) the period is T2.

What is a simple pendulum in physics?

A simple pendulum consists of a mass m hanging from a string of length L and fixed at a pivot point P. When displaced to an initial angle and released, the pendulum will swing back and forth with periodic motion.