Applied Mechanics and Graphic Statics
When a circular wheel rolls on a straight track, then the shape of body centrode and space centrode respectively are

Circle and straight line
Straight line and parabola
Straight line and circle
Circle and parabola

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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

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

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