Yes, otherwise you would not be able to steer them or stop.
the bobsleighs are made of plastic metal/aluminium or light weighted material
around 93 mph
By being fast.
The word bobsleigh is a noun. The plural is bobsleighs.
yes! you need friction for lacrosse so you don't fall
On her feet and hands. That is why they build climbing shoes from sticky rubber. Her belay partner will need friction in their belay device (ATC OR GRI GRI, etc)
than what?
We would need to know what the friction is to affect to respond to this question.
friction
Yes
Because without friction, it would not be successful when typing!
need more information, please