Understanding Contact Forces: Homework Question and Solution

[hasnain721]

Homework Statement

http://img139.imageshack.us/img139/4447/19357656px4.jpg

Homework Equations

The Attempt at a Solution

http://img117.imageshack.us/img117/7160/24237665ac0.jpg


My question is that how would u know that the contact force Y points to the left or right?

 

[rock.freak667]

Would the root have tension aiding the farmer pulling out the root or would it try to hold the tree in?

 

[hasnain721]

Would the root have tension aiding the farmer pulling out the root or would it try to hold the tree in?

it would try to hold the try

 

[rock.freak667]

it would try to hold the try

Then if the force pulls to the right,would the root not pull in the opposite direction?

 

[hasnain721]

Then if the force pulls to the right,would the root not pull in the opposite direction?

yea so i was right then isn't it?

 

[rock.freak667]

Yes.