A wire has a young s modulus of 105N/m2, length 1m & radius 3mm. Assum – McqOptions

MCQOPTIONS

1.	A wire has a young s modulus of 10⁵N/m², length 1m & radius 3mm. Assuming a uniform cross sectional area, find the radius of wire after it is under a force of 1N from both ends.
A.	2.58m
B.	2.30m
C.	3.54m
D.	2.24m
Answer» B. 2.30m

Discussion

No Comment Found

Related MCQs

Strain can be negative. True or False?
A wire has a young s modulus of 10<sup>5</sup>N/m<sup>2</sup>, length 1m & radius 3mm. Assuming a uniform cross sectional area, find the radius of wire after it is under a force of 1N from both ends.
A wire with a radius of 5mm is hung freely from the ceiling. A load of 5N is applied to its free end. Find the elongation in the wire if its volume is 7.85*10<sup>-5</sup>m<sup>3</sup> & young s modulus is 10<sup>11</sup>N/m<sup>2</sup>.
Stress, like pressure, is always perpendicular to a plane. True or False?
Stress in a solid body is defined as ___________ per unit area.