F.4 Ch. 12 Check Concept - Gravitation

Gravitational force between two objects is inversely proportional to the distance between them.

• True

• False

The gravitational forces between two spheses form an action-reaction pair.

• True

• False

The gravitational field strength g has a unit of N kg^-2.

• True

• False

The weight of an object increases as the distance between the object and the surface of the Earth increases.

• True

• False

The gravitational field strength g is a variable and can have different values at different places.

• True

• False

• True

• False

All geosynchronous satellites rounding the Earth share the same orbit.

• True

• False

Astronaut inside a spacecraft rounding the Earth has a zero weight.

• True

• False