Read the following two statements below carefully and state, with reasons, if it is true or false.

(a) The Young’s modulus of rubber is greater than that of steel;

(b) The stretching of a coil is determined by its shear modulus.

Asked by Abhisek | 1 year ago |  123

##### Solution :-

Explanation:-

Stretching a coil does not change its length, only its shape is altered and this involves shear modulus.

Explanation:-

This is because, for the same value of stress, there is more strain in rubber than in steel. And as Young Modulus is an inverse of strain, it is greater in steel.

Answered by Pragya Singh | 1 year ago

### Related Questions

#### A mild steel wire of cross-sectional area 0.60 x 10 -2 cm2 and length 2 m is stretched

A mild steel wire of cross-sectional area 0.60 x 10 -2 cm2 and length 2 m is stretched ( not beyond its elastic limit ) horizontally between two columns. If a 100g mass is hung at the midpoint of the wire, find the depression at the midpoint.

#### The Marina trench is located in the Pacific Ocean, and at one place it is nearly eleven km beneath

The Marina trench is located in the Pacific Ocean, and at one place it is nearly eleven km beneath the surface of the water. The water pressure at the bottom of the trench is about 1.1 × 108 Pa. A steel ball of initial volume 0.32 mis dropped into the ocean and falls to the bottom of the trench. What is the change in the volume of the ball when it reaches the bottom?

#### Two strips of metal are riveted together at their ends by four rivets, each of diameter 6.0 mm.

Two strips of metal are riveted together at their ends by four rivets, each of diameter 6.0 mm. What is the maximum tension that can be exerted by the riveted strip if the shearing stress on the rivet is not to exceed 6.9 × 10Pa? Assume that each rivet is to carry one-quarter of the load.