Mon 30 Jun, 2014 01:40 am - every one can see your posts and can reply as i am doing , can like etc to your posts you just have to post and can get answer easily !! (view)
Mon 30 Jun, 2014 01:07 am - a string is stretched by two equal and opposite forces 10N each.the tension in the string is :
a. zero
b.5N
c.10n
d.20n (view)
