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.
Success: James Cameron gives two thumbs-up as he emerges from the Deepsea Challenger today after his successful solo dive in the Mariana Trench. Cameron's dive took him to a part of the ocean no one has visited for 50 years - and he is the only human being to have travelled and returned solo. âIt was bleak.