Mechanical Properties of Solids / ठोसों के यांत्रिक गुण
11th Class
Physics
Mechanical Properties of Solids / ठोसों के यांत्रिक गुण
question_answer29)
Consider
two cylindrical rods of identical dimensions, one of rubber and the other of
steel. Both the rods are fixed rigidly at one end of the roof. A mass M is attached
to each of the free ends at the centre of the rods. (a)
Both the rods will clongate but there shall be no perceptible change in shape. (c)
The steel rod will elongate and change shape but the rubber rod will only
elongate. (c)
The steel rod will elongate without any perceptible change in shape, but the
rubber rod will elongate and the shape of the bottom edge will change to an
ellipse. (d)
The steel rod will elongate, without any perceptible change in shape, but the
rubber rod will elongate with the shape of the bottom edge tapered to a tip at
the centre.