Work Energy And Power Question 226
Question: The potential energy of a conservative system is given by $ U = ay^{2}-by $ , where y represents the position of the particle and a as well as b are constants. What is the force acting on the system?
Options:
A) $ -ay $
B) $ -by $
C) $ 2ay-b $
D) $ b-2ay $
Show Answer
Answer:
Correct Answer: D
Solution:
[d] $ F=-\frac{dU}{dy}=b-2ay $
