adnatege don't have to stop disadvantage you have to stop when the store closes
One disadvantage of friction is when you fall over and graze your knees on contact with the ground. One advantage is to put on your brakes and bring your vehicle safely to a stop!
One advantage to the hospitality industry is the fact that it is convenient to stop when you are on a long trip. A disadvantage is the fact that amenities in hotels may not be cleaned properly.
Your vehicle should be in the far left lane for your direction of travel. And in a position to see clearly what is reflected in your left-hand mirror, because cyclists can be in that otherwise blind area. And in a position to be able to stop within the distance that you can see.
Pictograph of walking man, hand in stop position, And countdown crossing timer
By defending a strategic position, often on a hill, other side of a river, narrow passage or any other position that gave firepower advantage.
I recall this from Drivers Ed. Technically a stop sign is not a stop position. You should use the crosswalk, sidewalk or edge of the road as your stop position - not the sign itself.
Raising your hand may temporarily reduce coughing by changing your body's posture and angle of your airways slightly, but it doesn't directly stop coughing. Coughing is a reflex that helps clear your airways of irritants, and changing your hand position won't impact this reflex.
There are many reasons why friction is an advantage to human motion. Friction helps humans to stop when they need to stop.
Take your hand and put it outwards, like you are going to try to touch your computer monitor. It may also be explained like when you want someone to come to a halt, an officer would put his/her hand out to make them stop.
A hand brake is a class 3 lever because the effort from the hand is applied between the load (brake mechanism) and the fulcrum (pivot point). This allows for a greater mechanical advantage, making it easier to generate the force needed to stop the vehicle.
Stop war.