A steel wire of `2mm` in diameter is stretched by applying a force of `72N`. Stress in the wire is

A steel wire of 2mm in diameter is stretched by applying a force of 72N. Find the stress in the wire.

A copper wire of 1mm diameter is stret- ched by applying a forcre of 10 N. Find the stress in the wire.

A steel wire of 1mm diameter and of length 1m is stretched by applying force of 10N. If the increase in length is 0.064mm, find (i) the stress, (ii) the strain and (iii) the Young's modulus of the wire.

(a) A wire 4 m long and 0.3mm in diameter is stretched by a force of 100 N. If extension in the wire is 0.3 mm, calculate the potential energy stored in the wire. (b) Find the work done is stretching a wire of cross-section 1mm^(2) and length 2 m through 0.1 mm. Young's modulus for the material of wire is 2.0xx10^(11) Nm^(-2) .

(a) A wire 4 m long and 0.3mm in diameter is stretched by a force of 100 N. If extension in the wire is 0.3 mm, calculate the potential energy stored in the wire. (b) Find the work done is stretching a wire of cross-section 1mm^(2) and length 2 m through 0.1 mm. Young's modulus for the material of wire is 2.0xx10^(11) Nm^(-2) .

A steel wire of diameter 1 mm, and length 2 m is stretched by applying a force of 2.2 kg wt. the strain is

A steel wire of diameter 1 mm, and length 2 m is stretched by applying a force of 2.2 kg wt. the extension produced in the wire is