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the effect of length on a pendulum experiment
how will increasing the length of a string affect the period of a pendulum
two factors that can affect pendulum
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Investigating the Factors Affecting the Time Peiod of a Pendulum
Aim:
To investigate the factors affecting the time period of a pendulum
Introduction:
[IMAGE]The time period of a pendulum is the amount of time that a
pendulum takes to swing from position A, through positions B and C and
back to A again. It is the movement from 1 peak to another, i.e. one
oscillation. I need to examine the factors affecting how long it takes
for 1 oscillation to take place, In relation to the energy transfers
involved. After I have done this I can decide which factor to use as a
variable and which factors that I should keep the same.
Factors affecting the time period of a pendulum
Length of String:
The Length of the string will affect the time period of a pendulum
because it will mean that the pendulum travels a greater distance in
its oscillation. The path of the pendulum is like an arc on the bottom
of circle, with the piece of string as a radius. Thus, according to
the circle theorem: C=2Ï€r, the circumference of the circle will
increase, and so will the length of length of the arc. This increases
the distance travelled by the pendulum, and therefore the time taken.
Angle from which pendulum is dropped:
This affects the time period in 2 ways: The first is that it increases
the length of the arc of the circle that I talked about earlier. The
bigger the angle, the bigger the proportion of the circle is taken up
by the arc. Of the 360° of a circle, the amount that the pendulum
swings through is equal to twice the angle that it is dropped at, this
is because it will swing from the angle to 0° and will carry on going
for approximately the same amount as it went through due to its
momentum.
Text Box: Gravitational potential energy (Egpe) = Mass (M) * acceleration due to gravity (G) * height (h)
The second way that the angle from which the pendulum is dropped will
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