200 N

2000 N

300 N

2300 N

p1=p2

p1>p2

p1

p1=(-p2)

84 years

168 years

420 years

1020 years

centrifugal tension

2Pie times centrifugal tension

Thrice centrifugal tension

Half the centrifugal tension

100 km/hr

180 km/hr

160 km/hr

140 km/hr