A wire elongates by l mm when a load W is hanged from it. If the wire goes over

A wire elongates by l mm when a load W is hanged from it. If the wire goes over a pulley and two weights W each are hung at the two ends, the elongation of the wire will be (in mm)

Options

(a) l/2
(b) l
(c) 2l
(d) zero

Correct Answer:

l

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

admin:

Related Questions

  1. Periodic time of a satellite revolving above Earth’s surface at a height equal to R,
  2. The S.I. unit of radioactivity is
  3. A uniform rod of length l is placed with one end in contact with the horizontal
  4. The workdone in turning a magnet of magnetic moment M by an angle of 90⁰ from the magnetic
  5. With the decrease of current in the primary coil from 2 amperes to zero value