Applied Mechanics and Graphic Statics
Pick up the incorrect statement from the following. In case of suspension bridge due to rise in temperature,

Dip of the cable increases
Dip of the cable decreases
Length of the cable increases
None of these

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Applied Mechanics and Graphic Statics
Pick up the correct statement from the following. A rubber ball when strikes a wall rebounds but a lead ball of same mass and velocity when strikes the same wall, falls down

Rubber and lead balls undergo equal changes in momentum
None of these
Momentum of rubber ball is less than that of lead ball
Change in momentum suffered by lead ball is less that of rubber ball

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