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A block of mass m is suspended by a light cord from a ceiling and another cord is attached to the bottom of the block... which cord will break,when the cord below is pulled,,,,, steadily? suddenly?

A block of mass m is suspended by a light cord from a ceiling and another cord is attached to the bottom of the block... which cord will break,when the cord below is pulled,,,,,
 steadily?
suddenly?

Grade:11

1 Answers

Vikas TU
14149 Points
7 years ago
Here the transmission of energy would takes olace b/w the whole system.
Henc ewhen the lower chord igiven a jerk it transmits the energy to the mass as an impulse and hence to transmit the nrgy to the upper chord it has to first overcome the block which obvious has larger mass than the chord and therfore the lower chord would break first.

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