A Simple Pendulum That Consists of a Small Ball of Mass

question 31

Multiple Choice

A simple pendulum that consists of a small ball of mass m and a massless wire of length L swings with a period T.Suppose now that the mass is rearranged so that mass of the ball was reduced but the mass of the wire was increased,with the total mass remaining m and the length being L.What is true about the new period of swing? (There could be more than one correct choice. )

• A)The new period is T because the total mass m has not changed.
• B)The new period is T because the length L has not changed.
• C)The new period is greater than T.
• D)The new period is less than T
• E)The new period is T because neither L nor m have changed.

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Definitions:

Cochlea

Spiral-shaped structure of the vertebrate inner ear containing the sensory receptors for hearing.

Inner Ear

Portion of the ear consisting of a vestibule, semicircular canals, and the cochlea where equilibrium is maintained and sound is transmitted.

Aqueous Humor

A clear fluid that fills the space in the front part of the eye between the lens and the cornea.

Vitreous Humor

The clear gel that fills the space between the lens and the retina of the eyeball.