Mechanical Prop...

Which of the following represents Hooke’s Law?

A body is said to be perfectly plastic if

A body is said to be perfectly elastic if

When too many people stand on a bridge it collapses, why?

Materials that show very small plastic range beyond elastic limit are called

The stress which is set up in the body due to increase in its dimensions is called

The modulus of elasticity of steel is greater than that of rubber because under the same stress

If proportional limit is not exceeded, energy per unit volume in stretched wire is

Putty or mud is an example of

A solid cylinder can be subjected to

When a 13.2 kg mass is placed on top of a vertical spring, the spring compresses by 5.93 cm. Find the force constant of the spring.

Two wires P and Q of same length and material but radii in the ratio 2 : 1 are suspended from a rigid support. Find the ratio of strain produced in the wires when both are under same force.

Yield point may be defined as the point where

Dimensional formula of stress is same as that of

In Hooke’s law, the constant of proportionality signifies

After prolonged use, springs deform permanently because of

The area occupied below the stress-strain graph and above strain axis gives the value of

The final point on the stress strain graph is called

Tissue of aorta blood vessel is an example of

If we compress or elongate the solids, what happens to their potential energy?