Here weight force is perpendicular to the direction of motion of the object at the top of the circle) and centripetal force points down,thus normal force will point down as well. From a logical standpoint, a person who is travelling in the plane will be upside down at the top of the circle.
OK-So definitively David Cameron who is the current British Prime Minister earns Â£142,500 per year. Recently the Civil Service disclosed the salary's of all of the Cabinet members who earn over Â£150,000. David Cameron's Â£142,500 was used as a bench mark for this.
In 2010 alone, Cameron made an estimated $260 million thanks to the massive success of Avatar. 1  Selling His Terminator Rights For $1 Enabled James Cameron To Earn $700 Million. 2  But It's Still His Biggest Regret.