Question:

A point mass m is moving in a horizontal circle of radius L with the help of a wire (Y, A, L) as shown. If the speed of mass is

A point mass m is moving in a horizontal circle of
radius L with the help of a wire (Y, A, L) as shown. If
the speed of mass is vo, then elongation in the wire
will be (A → cross-sectional area of wire, Y→ Young's
modulus)
V
m
Y, A, L
2mva
YA
mv.
YA
O
mv.
2YA
3mva
YA

A point mass m is moving in a horizontal circle of radius L with the help of a wire (Y, A, L) as shown. If the speed of mass is vo, then elongation in the wire will be (A → cross-sectional area of wire, Y→ Young's modulus) V m Y, A, L 2mva YA mv. YA O mv. 2YA 3mva YA