Physics
Damp clothes are dried in spin dryers by the action of

Central forces
Centripetal forces
Centrifugal forces
Non central forces

ANSWER DOWNLOAD EXAMIANS APP

Physics
A cyclist leans inwards when he is negotiating a curve so that

His weight may be reduced
He may increase his speed
Necessary centripetal force may be available from the horizontal component of the normal reaction due to the track to maintain the curved motion.
No frictional force may be produced between the wheels and the axle

ANSWER DOWNLOAD EXAMIANS APP