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qUESTIONS

If the Earth losses its gravity, then for a body

The depth d at which the value of acceleration due to gravity becomes 1/n times the value of the surface, is [R = radius of the earth]

A research satellite of mass 200 kg circles the earth in an orbit of average radius 3R/2, where R is the radius of the earth. Assuming the gravitational pull on a mass of 1 kg on the earth’s surface to be 10 N, the pull on the satellite will be

A spring balance is graduated on sea level. If a body is weighed with this balance at consecutively increasing heights from earth’s surface, the weight indicated by the balance

Two planets have the same average density but their radii are R1, and R2. If acceleration due to gravity on these planets be g1, and g2, respectively, then

The acceleration due to gravity on moon is 1/6 times the acceleration due to gravity on earth. If the ratio of the density p to the density of moon p is 5/3, then the radius of moon R in terms of the radius of earth R is:

Acceleration due to gravity is maximum at (R is the radius of earth)

Spot the wrong statement: The acceleration due to gravity ‘g’ decreases if

The weight of an object in the coal mine, sea level, at the top of the mountain are W₁, W₂ and W3, respectively, then

The acceleration due to gravity is g at a point having distant from the centre of earth of radius R. If r< R, then

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