Unit C: Circular Motion, Work, and Energy Unit Assessment 9. Which graph illustrates best the relationship between the frequency of an object's are constant. rotation as an function of the orbital radius? Note that centripetal force and mass A ODLB B ODLB C. ODLB D. ODLB 10. If the gravitational force exerted by Earth on the Moon were to disappear suddenly, then the Moon would travel in a straight line on a path A. toward the centre of Earth, parallel to the radius of its original orbit B. perpendicular to the radius of its original orbit C. away from the centre of the Earth, parallel to the radius of its original orbit D. perpendicular to the plane of its original orbit 5 ADLC Physics 20