A satellite S is moving in an elliptical...

A satellite S is moving in an elliptical orbit around the earth. The mass of the satellite is very small compared to the mass of the earth.

The acceleration of `S` is always directed towards the centre of the earth.

The angular momentum of `S` about the centre or the earth changes in direction, but its magnitude remains constant.

The total mechanical energy of `S` varies perodically will time.

The linear momentum of `S` remains costant is magnitude

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The correct Answer is:

The satellite always experiences force due to gravitational attraction force of earth. Hence the direction of the force on the satellite is always towards the centre of the earth and hence the acceleration of satellite is always directed towards the centre of the earth

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