Please also explain that why the object doesn't orbit around the planet...?
Which force(s) pushes it away from the planet even when Gravitational Attraction is present between the object and the planet.
Please explain Gravitational Slingshot Effect?
And when an object passes near from a planet, why it doesn't start orbiting around the planet?
Why the object is pushed away even when there is attractive force (Gravity) between object and planet ..?