Physics
Which of the following instrument is used to measure Soil Water Tension?

Tensiometer
Pyrometer
Psychrometer
Photometer

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

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

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