English Deutsch Français Italiano Español Português 繁體中文 Bahasa Indonesia Tiếng Việt ภาษาไทย
All categories

Using lab equipment, namely a spring, a mass, timers etc
How?
This should be at AS level, I just need an experiment!
Thanks xxxXxxx

2007-01-29 01:36:40 · 4 answers · asked by Anonymous in Science & Mathematics Physics

4 answers

you need to know the spring coefficient and find out how many Newtons it puts off per millimeter or centimeter, whatever. Set the mass on the spring and measure the distance the spring moved. Use this measurement to figure out the newtons. Divide the newtons discovered by the mass, and you will be given the Acceleration due to gravity.

2007-01-29 01:50:51 · answer #1 · answered by jpferrierjr 4 · 0 0

measure the initial length of the spring before loading, x1.
now, add the mass, m to the spring end and measure the extended length of the spring after it comes to rest, x2.
thus, the net extended length, x = (x2 - x1) metres or other length units
the spring force, F = kx
where k is the damping coefficient
also, this spring force is balanced by the gravitational force, F = mg
equating forces, kx = mg
k = mg/x (g is unknown here)
now, set the spring into vibration and note down the time period, T for a given no. of oscillations, say 10 oscillations.
the angular frequency of vibration, w is given by,
w = (2*(pi)*(no. of oscillations))/T
it is also given by, w = sqrt(k/m)
equating the relations for w, we can determine g as everything else is known.

2007-01-29 02:48:14 · answer #2 · answered by prash 2 · 0 0

firstly attach some weights to spring then spring start oscilating .so calculate the time period of 20 oscillations and dividing it by 20 will give you frequency of oscillations now simply apply formula
g=4pi^2*x/t^2

where x is extention in spring due to weights .

2007-01-29 02:01:22 · answer #3 · answered by miinii 3 · 0 0

i think by using the farmula

s = ut + 1/2gt^2

2007-01-29 01:50:55 · answer #4 · answered by Anonymous · 0 0

fedest.com, questions and answers