if I wanted to drive to dallas it would take ma 6 hours to get from Lubbock to dallas and if I wanted too get there in that time I would need to find how many meters it would take and it would be 50 meters a second
when you are driving on a straight road then you have to turn you are using unbalanced forces and friction because there is a opposite force when you turn you have either more force on the right or force on the left and friction helps you turn along with the unbalanced forces.