Request a call back

Join NOW to get access to exclusive study material for best results

CBSE Class 12-science Answered

Sir Please question no-10
question image
Asked by shobhit | 26 May, 2018, 06:21: PM
answered-by-expert Expert Answer
Let us consider upper semi-circle part of ring. Its length when it is heated is πR .
when its temperature T is decreased to T−ΔT, the compressing force F applied to wheel is calculated as given below
 
begin mathsize 12px style Y o u n g apostrophe s space M o d u l u s space space Y space equals space fraction numerator S t r e s s over denominator S t r a i n end fraction space equals space fraction numerator begin display style bevelled fraction numerator F o r c e over denominator A r e a end fraction end style over denominator begin display style bevelled fraction numerator c h a n g e space i n space l e n g t h over denominator i n i t i a l space l e n g t h end fraction end style end fraction
Y space equals space fraction numerator begin display style bevelled F over S end style over denominator begin display style bevelled fraction numerator open parentheses pi R alpha capital delta T close parentheses over denominator open parentheses pi R close parentheses end fraction end style end fraction space equals space fraction numerator F over denominator S alpha capital delta T end fraction end style
 
Hence Force F = Y×S×α×ΔT
Answered by Thiyagarajan K | 27 May, 2018, 10:23: PM
CBSE 12-science - Physics
Asked by mailtoanjalip2005 | 16 Mar, 2024, 08:22: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by am1954077 | 08 Mar, 2024, 04:57: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by himanshurawat5823 | 08 Mar, 2024, 01:24: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by rohandhawaniya17112006 | 06 Mar, 2024, 03:32: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by shivamtkr7767 | 03 Mar, 2024, 12:45: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by sahupranav2006 | 02 Mar, 2024, 03:37: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by rishabhverma895334 | 01 Mar, 2024, 07:24: AM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by writetoakashyadav | 28 Feb, 2024, 07:41: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
CBSE 12-science - Physics
Asked by nikstar1456 | 14 Feb, 2024, 01:09: PM
ANSWERED BY EXPERT ANSWERED BY EXPERT
Get Latest Study Material for Academic year 24-25 Click here
×