Amachine that changes only the direction of a force has a mechanical advantage of

Holes drilled several kilometers into earth’s crust provide direct evidence about earth’s interior in the form of

Gabby calls her cousin who lives in a different state and tells her to turn her radio to channel 98.7 so they can listen to their favorite song that is playing. her cousin turns her radio to 98.7, but does not hear the same song gabby hears. which most likely explains why?

Which of the following statements correctly describes a transformer?