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a) A simple pendulum consisting of a blob of mass m attached to a string of length L swings with a period T. If the mass of the blob is reduced by half, what will the new period of oscillation be?

b) The pendulum is now swinging on Pluto. Calculate the new period of oscillation in terms of T (the period of the pendulum on Earth), knowing that the gravity on Pluto is 1/16 that of Earth.

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1 Oct 2020

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Related textbook solutions

Physics: Principles with Applications
7th Edition, 2013
Giancoli
ISBN: 9780321625922

Related questions

A simple pendulum consists of a ball of mass m 5.00kg hanging from a uniform string of mass 0.0600 kg and length L. If the period of oscillation of the pendulum is 2.00 sec, determine the speed of a transverse wave in the string when the pendulum hangs vertically.

A simple pendulum consisting of a bob of mass m attached to a string of length L swings with a period T.
If the pendulum is taken into the orbiting space station what will happen to the bob?

It will continue to oscillate in a vertical plane with the same period.
It will no longer oscillate because there is no gravity in space.
It will no longer oscillate because both the pendulum and the point to which it is attached are in free fall.
It will oscillate much faster with a period that approaches zero.

The period of a simple pendulum, defined as the time necessary for one complete oscillation, is measured in time units and is given by

 

where l is the length of the pendulum and g is the acceleration due to gravity, in units of length divided by time squared. Show that this equation is dimensionally consistent. (You might want to check the formula using your keys at the end of a string and a stopwatch.)

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