A simple pendulum consists of a point mass suspended by a weightless, rigid wire

Question

A simple pendulum consists of a point mass suspended by a weightless, rigid wire in a uniform gravitation field. Which of the following statements are true when the system undergoes small oscillations?

Check all that apply.

The period is inversely proportional to the suspended mass. The period is proportional to the square root of the length of the wire. The period is independent of the suspended mass. The period is proportional to the suspended mass. The period is independent of the length of the wire. The period is inversely proportional to the length of the wire.

Explanation / Answer

T = 2pi*sqrt(L/g)

so period only depend on sqrt(L) , don't depend on m

The period is inversely proportional to the suspended mass false

The period is proportional to the square root of the length of the wire. true

The period is independent of the suspended mass. true

The period is proportional to the suspended mass. false

the period is independent of the length of the wire false

The period is inversely proportional to the length of the wire. false

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