Well, clearly you stop...
It is a command, likely followed by an exclamation point. "Hit the brakes!"
If the rotors are warped it can cause a shake when you hit the brakes.
no power brakes....harder to stop
have your brakes checked
HA NO BRAKES!!!!
It is broke.
Maybe you hit the brakes by accident?
your alternator might be on the way out.
your brakes are sticking need servicing asap
They get warm and wear when used.
you do an immediate stop.
They get hot.