The handbrake is used to stop a stationary car rolling downhill. The transmission can also stop a car from moving when parked.
Friction of the tires on the road surface ( I think so)
Stationary is an adjective: 'I parked my car on a steep hill and made sure that it was stationary before I walked away.'
To avoid the car from rolling forward.
It is normal for the car to move a little before the parking mechanism engauges.
If you are parked on a steep hill or the front wheels are parked hard up against a curb it may cause that to happen. It may take some force to get it out of park. If that fails to work, check for a blown fuse.
no my friends car rolled down the drive into the middle of the road with the hand brake on the snow and ice just helped it to slide down
Because all cars do this. You need your parking brakes adjusted so it won't move even on a steep hill.
It could slip out of park, but most likely would "park lock." This would mean the parking pawl would jam inside other parts in the transmission, making it tough to get your car out of park. Sometimes pushing the car is the only way. Use the parking brake on a hill.
This type of beach is most likely formed by the process of erosion, where the steep cliffs are gradually eroded by natural forces such as waves, wind, and changing sea levels. Over time, the eroded material is deposited along the shoreline, creating a beach that is backed by the remaining steep cliffs. The steep cliffs can provide a scenic backdrop for the beach but may also be subject to ongoing erosion processes.
a steep angle
speed! a moving car is having a force greater than the friction of the tires/air (and gravity on a steep upward hill) applied to it, and is moving forward. The force can come from the engine, or external forces.