Ask your own question, for FREE!
Physics 11 Online
OpenStudy (anonymous):

Why do we need to be careful with the signs when we calculate the change in gravitational potential energy in the y direction?

OpenStudy (anonymous):

sings ?

OpenStudy (anonymous):

Well, it all boils down to how you define your potential energy... since \[dEp=- \delta W =- \vec{F} \cdot d\vec{L} \] The way your dL is defined, that is the direction of your axis, is going to change the expression of potential energy...

Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!
Can't find your answer? Make a FREE account and ask your own questions, OR help others and earn volunteer hours!

Join our real-time social learning platform and learn together with your friends!