Home
Class 12
PHYSICS
A certain force F increase the length of...

A certain force F increase the length of a given wire by 1mm. What force is required to increase its length by 2mm?

A

a)3F

B

b)5F

C

c)4F

D

d)2F

Text Solution

Verified by Experts

The correct Answer is:
D
Promotional Banner

Similar Questions

Explore conceptually related problems

An aluminium wire and a steel wire both of the same length and cross-section are joined end to end . The composite wire is hung from a rigid support and a load is suspended from the free end . If the increase in length of the composite wire is 2.7 mm, find the increase in length of each wire. Y_al = 7 xx 10^10 N/m^2 and Y_steel = 2 xx 10^11 N/m^2 .

The young's modulus of a wire of length 2m and area of cross section 1mm^2 is 2 xx 10^10 N/m^2 . What is the work done in increasing it's length by 2mm.

The radius of a copper rod is 4 mm . What force is required to stretch the rod by 10 percent of its length ? Y for copper = 12 xx 10^10 N/m^2 .

A steel wire of diameter 1 mm and length 2 m is stretched by a force of 2kg .wt , what is the increase in the length of wire ? (Y = 2 xx 10^11 N/m^2,g = 9.8m/s^2)

If the wire of length 50cm elongater by 0.1 mm the strain is