Physics Elasticity Question 69
Question: When load of 5kg is hung on a wire then extension of 3m takes place, then work done will be
[RPMT 2000]
Options:
A) 75 joule
B)60 joule
C) 50 joule
D)100 joule
Show Answer
Answer:
Correct Answer: A
Solution:
$ W=\frac{1}{2}Fl=\frac{1}{2}\times Mg\times l=\frac{1}{2}\times 5\times 10\times 3=75\ Joule $
BETA
