Physics Test

______ motion- motion along a curved path around the center of a circle

_______ circular motion- a specific type of motion in which an object travels in a circle with a constant speed.

_______ force- a net force that acts on an object to keep it moving along a circular path

_______ force- The energy of a moving object in a circle trying to stay in a straight line

_______- the most important centripetal force

The planetary objects are ________ with the sun at one focus

The imaginary line joining a ______ and the _____ sweeps equal areas of space during equal time intervals as the planet orbits

_______- the point of an orbit of a planet or other astronomical body at which it is closest to the sun

_______- the point at which an orbiting body is the furthest from the sun

The squares of the orbital ____ of the planets are directly proportional to the cubes of the semi-major axes of their ______