Problem # $6(6$ Marks$)$:

The cars of an amusement park ride have a speed of $20\frac{m}{s}$ at Point A and $10\frac{m}{s}$ at Point

B$.$ A $65$ kg rider sits on a spring scale $()$ which registers the normal force exerted on it$.$ Find the following:

The scale reading $($normal force$)$ exerted on the rider as the car passes Point B with the speed mentioned above

The maximum speed of the car passes Point $B$ without losing contact