JAMB - Physics (1987 - No. 44)
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
Explanation
T = W but W = W\(_1\) + W\(_2\) = (m\(_1\) + m\(_2\))g
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