A copper wire has a length of 80 cm and a cross-sectional area of 1.2 cm². This wire is tied horizontally between the 2 hooks. When the object with mass is suspended in the middle of the wire, the wire forms an angle of 4.2° to the horizontal line. What is the mass of the object?<br /><br />#YoungsModulus<br />#MechanicalPropertiesOfSolid<br />#Deformation<br />#Rebiaz<br />
