Mechanical Prop...

A uniform plank of young's modulus Y is moved over a smooth horizontal surface by a constant horizontal force F, The area of cross-section of the plank is A. What is the compressive strain on its plank in the direction by the force ?

The length of a wire is 1.0 m and the area of cross-section is 1.0 × 10^–2 cm² If the work done for increase in length by 0.2 cm is 0.4 joule. Then what is the young's modulus ? Of material of the wire?

According to Hooke's law of elasticity stress is increased the ratio of stress to strain.........

A wire of length 2 m is made from 10 cm³ of copper. A force F is applied so that its length increases by 2 mm. Another wire of length 8 m is made from the same volume of copper. If the force F is applied to it, its length will increase by............

A wire of length L and radius r is rigidly fixed at one end on stretching the other end of the wire a force F the increase in its lengths is L. If another wire of same material but of length 2L and radius 2r is stretched with a force of 2F, the increase in its length will be ..........

Which of the following statement is correct

Which one of the following quantities does not have unit of force per unit area..........

A fixed volume of iron is drawn into a wire of length L. The extension x produced in this wire be a constant force F is proportional to..........