Question

3.Give one word/term for the following:
i) The force acting normal to the surface.
ii)The instrument used to measure atmospheric pressure.
iii) The force which keeps the earth revolving around the earth.
iv)Force between a charged and an uncharged body.
v)Force acting on unit area.
vi)Unit of force in CGS system.
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Answer 1

1 GRAVITATIONAL FORCE

3 CENTRIPETAL FORCE