Physics Formulas for falling objects
Hello all,
I am wanting to create a program where a user can enter the mass of an object, the gravity level and the height of where this object will be dropped. There is no elemental factors involved so wind and resistance isnt an issue.
At the end of this, the user will find out how long it will take for the object to hit the ground, how much force it will hit it with and the velocity in which it travelled at.
Thanks for your help!
SreekanthPosted Aug 10, 2009, 2:12 AM
the acceleration a of an object falling at the surface of the earth is 9.81 m/s^2. So its velocity v is acceleration times falling time t.
v = a * t
And its distance travelled (or height fallen) is
d = 1/2 * a * t^2
Solve for t and plug into the first equation:
v = sqrt(2*a*d)
where sqrt signifies the square root.
If you take a = 9.81 m/s^2 then you have the formula relating falling distance (in m) to final velocity (in m/s).
Andry LebedevPosted Oct 4, 2011, 2:29 AM
there is an additional library that implements a 3D environment with all the physical laws. You can throw objects, blow up, use springs, motors, etc.
I have not link.. :(
Sam HobbsPosted Oct 3, 2011, 4:17 PM
Andry LebedevPosted Oct 3, 2011, 2:07 AM
oliverPosted Aug 10, 2009, 4:22 AM
SreekanthPosted Aug 10, 2009, 2:13 AM
http://www.physics247.com/physics-homework-help/free-fall.php
SreekanthPosted Aug 10, 2009, 2:09 AM
All free-falling objects (on Earth) accelerate downwards at a rate of 9.8 m/s/s (often approximated as 10 m/s/s for back-of-the-envelope calculations)
oliverPosted Aug 10, 2009, 2:07 AM
SreekanthPosted Aug 10, 2009, 2:02 AM
whwre a =g,gravity 9.8 accute..for falling its ..
u is initial velocty.. v is final velocity..
s is distance travelled...
in falling case..initial is u=0 veleocity(m/sec)..
just google or bing to get details of thes falling objets cases...nice physics..!