# Sled placed at an inclined plane ( Newtons law)

1. Jan 12, 2010

### lovemake1

1. The problem statement, all variables and given/known data

* This is for my project.
The sled is placed at an inclined surface at an angle of theta. The sled is attatched to a rope, which i will be pulling to find out the minimum force to start the sled moving.
i would assume that when im tryin to find the jusssttt jussst that point when it starts to move will i make Fnet = 0 ?

im finding out different amount of tensions needed to pull the skier up depending on the angles. i will be increasing the the angle by 15 degrees every interval. starting from 30 degrees.

--Im open to hear any opinions regarding my project, if you know that there is a way i could make it little bit more complex and interesting ? i will be very glad to hear them--

2. Relevant equations

Fnet = ma

3. The attempt at a solution

I know that when a mass of object is placed at an angle there is a
friction force, x-component of the gravity. These two forces appose the Tension force.

Ftension - Ffriction - Fgravityx = m a

would acceleration be 0 in this case?

so it would be Ftension = Ffriction +Fgravityx
but if it wants to move Ftension > Ffriction + Fgravityx right??