The force `(F)`- extension `(lamda)` graph shows that the strain energy stored in the material under test, for an extension of `4mm`, is greater than which of the following values?

If two wires have same dimension but of different materials, the graph between load and extension is as follow, then which of the following is true:

Read the bar graph and answer the following questions. in which year the value of the export is greater than that of the import?

The figure above shows the graph of the quadratic function f with a minimum point at (1, -2). If f(5)=f(c) , then which of the following could be the values of c?

Copper of fixed volume V is drawn into a wire of length l. When this wire is subjected to a constant force F, the extension produced in the wire is Deltal . Which of the following graphs is a straight line?

Copper of fixed volume V is drawn into wire of length l. When this wire is subjected to a constant force F, the extension produced in the wire is trianglel . Which of the following graphs is a straight line?

Copper of fixed volume V is drawn into wire of length l. When this wire is subjected to a constant force F, the extension produced in the wire is trianglel . Which of the following graphs is a straight line?

Copper of fixed volume V is drawn into wire of length I. When this wire is subjected to a constant force F, the extension produced in the wire is Deltall. Which of the following graphs is a straight line ?

(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) .