Physics
The Law of Kepler is related with which among the following ?

Planetary Motion
Law of Conservation of energy
None
Law of Gravitation

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

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

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