A system to 10 balls each of mass 2kg are connected via massless and unstretchable string. The system is allowed to slip over the edge of a smooth in figure. Tension on the string between the 4^th and 8^th ball is_________N when 6^th ball just leaves the table.

<p>12 g – T = 12 a- (1)</p><p>T – T’ = 2a- (2)</p><p>T’ = 6a- (3)</p><p>From (1) &amp; (2)</p><p>12g – 12a – T’ = 2a- (4)</p><p>From (4) &amp; (3)</p><p>12g – 12a – T’ = 14</p><p><math><mrow><mn>1</mn><mn>2</mn><mi>g</mi><mo>=</mo><mfrac><mrow><mn>1</mn><mn>0</mn></mrow><mrow><mn>3</mn></mrow></mfrac><mi>T</mi><mo>'</mo><mo>⇒</mo><mi>T</mi><mo>'</mo><mo>=</mo><mfrac><mrow><mn>1</mn><mn>2</mn><mn>0</mn><mo>×</mo><mn>3</mn></mrow><mrow><mn>1</mn><mn>0</mn></mrow></mfrac><mo>=</mo><mn>3</mn><mn>6</mn></mrow></math></p>

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