the fig above shows two connected bodies of masses M\(_1\) and M\(_2\) in equilibrium under gravity. The tension in the upper string is
- (m\(_1\)-m\(_2\))g
- m\(_1\)g
- m\(_2\)g
-
(m\(_1\)+m\(_2\))g
The correct answer is: D
Explanation
T = W but W = W\(_1\) + W\(_2\) = (m\(_1\) + m\(_2\))g