Gravitation
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Calculate Gravitational Potential And Intensity At A Point On The Axis Of Homogeneous Cylinder.
Gravitational potential at a point on the axis of a homogeneous cylinder: Let us consider a solid homogeneous cylinder of radius , length and uniform mass density . There is…
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What Is Acceleration Due To Gravity? What Is Its Expression On The Earth’s Surface?
Acceleration due to gravity (g): The acceleration created in a body, which is falling freely under the action of gravity of earth, is called acceleration due to gravity. It is…
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What Is The Effect Of Altitude On The Value Of Acceleration Due To Gravity (g)?
Effect of altitude on g: Let us consider is the acceleration due to gravity on the surface of the earth. The mass of the earth is and the radius is…
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Acceleration Due To Gravity Near The Polar Region Is Greater Than That At The Equatorial Region. Why?
Acceleration due to gravity near the polar region is greater than at the equatorial region: The shape of the earth is not perfectly spherical. The polar radius is less than…
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What Is The Effect Of Depth On The Value Of Acceleration Due To Gravity (g)?
Effect of depth on g: Let us consider the earth as a homogeneous sphere of radius , mass and the mass density .Now the gravitational attraction on a mass at…
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The Value Of Acceleration Due to Gravity (g) At The Centre Of The Earth Is Zero. Why?
Value of g at the centre of the earth: If g is the gravitational acceleration at the earth’s surface and g’ is the gravitational acceleration at a depth from the…
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What Is Escape Velocity? Find Its Expression.
Escape Velocity: Escape velocity is defined as the minimum velocity with which an object is projected from the surface of a planet so that the object does not come back…
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Find The Orbital Velocity Of An Artificial Satellite.
Orbital velocity of an artificial satellite: Let us consider an artificial satellite revolves around the earth with a velocity , at a height from the surface of the earth. Mass…