How does air friction affect the period of a pendulum?

Question

How would you prove this experimentally, consider vaccum and no high tech devices present.

How would you then calculate the period?

Answer 1

Air friction damps the motion of a pendulum but does not change its period. The standard equation for a simple pendulum's period is

T = 2π√(L/g)

and it assumes there is no air friction. To account for that friction, you have to put an air friction term in the equations that lead to the above equation. The form is Ff = k*v. The solution leads to a function showing an amplitude of vibration that depends on a term with 1/e^t in it, but the period remains unchanged.

Answer 2

Pendulum Air Resistance

Answer 3

air friction increases the period of a pendulum.
here's how you test this: put a pendulum bob at a certain height, then measure the amount of time it takes for the bob to reach that same height again.

then repeat the experiment in a vacuum, where there's no air friction (because there is no air).

the period will be greater in the experiment where there is air friction.

Answer 4

For the needs of this question, i will examine "hight" and length of string because of the fact an analogous. i would be unable to ascertain what different style of hight applies. in actuality, this, length of string (or regardless of) is the sole element that determines the frequency of the swings. a mild weight on the top of the line will swing on an analogous fee as a heavy one. The heavier weight would advise that much less will intrude with the passing of the pendulum, alongside with wind resistance. same with mass. a super, empty sphere will swing on an analogous fee as a smaller, stable sphere of an analogous mass. back, this assumes no air resistance. None of this concerns to you, of direction, except you recognize what a pendulum is.

Answer 5

the period length of a pendulum swinging can be determined by adding air volocity, friction from the air presure of the altitude because at higher altitudes the presure is less and the current balance, size and weight of the pendulum itself.

Answer 6

if there was no air friction the period is always the same, always
but air friction will slow it down and cause the lengths of the swing to shorten and eventually stop it