Questions
On increasing the length by 0.5 mm in a steel wire of length 2 m and area of cross-section 2 , the force required is [Y for steel = 2.2]
detailed solution
Correct option is D
Y = FIA∆l or F = YA∆llor F = 2.2×1011×2×10-6×0.5×10-32 = 1.1 × 102 NTalk to our academic expert!
Similar Questions
Consider the following statements.
(A) Young's modulus for a perfectly plastic body is zero.
(B) For a perfectly plastic body, restoring force is zero
Select the correct option.
(a)(A) is false, But (B) is true.
(b) Both (A) and (B)are true.
(c) (A) is true, But (B) is false.
(d) Both (A)and(B)are false.
799 666 8865
support@infinitylearn.com
6th Floor, NCC Building, Durgamma Cheruvu Road, Vittal Rao Nagar, HITEC City, Hyderabad, Telangana 500081.
free study material
JEE Mock Tests
JEE study guide
JEE Revision Notes
JEE Important Questions
JEE Sample Papers
JEE Previous Year's Papers
NEET previous year’s papers
NEET important questions
NEET sample papers
NEET revision notes
NEET study guide
NEET mock tests
