If suddenly the gravitational force of attraction between earth and a satellite revolving around it becomes zero,then the satellite will:

a)continue to move in its orbit with same velocity.

b)move tangentially and escape away.

c)become stationary in its orbit.

d)move towards the earth.

Question

If suddenly the gravitational force of attraction between earth and a satellite revolving around it becomes zero,then the satellite will:

a)continue to move in its orbit with same velocity.

b)move tangentially and escape away.

c)become stationary in its orbit.

d)move towards the earth.

unklerhaukus · Answer

consider the in instantaneous velocity ,
   and hence momentum 

then consider newtons 1st law