Work Energy And Power Question 330
Question: The potential energy function associated with the force $ \vec{F}=4xy\hat{i}+2x^{2}\hat{j} $ is:
Options:
A) $ U=-2x^{2}y $
B) $ U=-2x^{2}y+ $ constant
C) $ U=2x^{2}y+ $ constant
D) not defined
Show Answer
Answer:
Correct Answer: B
Solution:
[b] $ F _{x}=-\frac{\partial U}{\partial x} $
or $ F _{y}=-\frac{\partial U}{\partial x}, $
only [b] option satisfies the criteria.
