Why does a pilot looping a vertical loop not fall down even at the highest point?

TRUE/FALSE TYPE QUESTIONS: A pilot looping a vertical loop does notfall down even at the highest point.

A motor cyclist in a circus , drives in a vertical loop inside a death well . What is the minimum speed required to complete the vertical circle , without falling down to complete the vertical circle , without falling down at the highest point , if the radius of the death well is 5 m?

An, aeroplane , flying in the sky, suddenly starts revolving in a vertical circle of radius 4 km. At the highest point of the circle , the pilot experiences weightlessness. Its velocity at the highest point will be

A moter cyclist loops a vertical circular loop of diameter 18 m, without droping down , even at the highest point of the loop . What should be his minimum speed at the lowest point of the loop ?

A small block of mass m slides along a frictionless loop-the-loop (loop inside loop) track. What should be the ratio of the radius of the outer loop to the radius of the inner loop so that the the block may not lose contact at the highest point of the inner loop ?

A particle of mass 100 g is moving in a vertical circle of radius 2 m The particle is just looping the loop . What is the speed of the particle and tension in the string at the highest point of the circular path ? . (g =10 ms^(-2)) .

A body slides down an inclined surface which ends into a vertical loop of radius R = 40cm. What must be the height H of the inclined surface for the body so that it does not leave contact with the surface even at the uppermost point of the loop? Assume friction to be absent.

A small solid sphere of radius r rolls down an incline without slipping which ends into a vertical loop of radius R . Find the height above the base so that it just loops the loop