Physics
The rotational effect of a force on a body about an axis of rotation is described in terms of

Centripetal force
Centre of gravity
Centrifugal force
Moment of force

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Physics
Which of the following options correctly explains the term heat budget?

It is the balance between incoming and outgoing radiation
It is the radiation from the earth in the form of long waves.
It is the amount of heat which the surface of earth receives from the sun.
It is a mode of transfer of heat through matter by molecular activity.

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