Author Question: An asteroid exerts a 360-N gravitational force on a nearby spacecraft. If the spacecraft moves to a ... (Read 69 times)

bobbysung · **on:** Jul 29, 2018

An asteroid exerts a 360-N gravitational force on a nearby spacecraft. If the spacecraft moves to a position three times as far from the center of the asteroid, the force will be

A) zero.
B) 40 N.
C) 120 N.
D) 360 N.
E) 1080 N.

Question 2

Half-way to the center of a planet of uniform density, your weight compared to that at the surface would be

A) one-quarter.
B) one-half.
C) three-quarters.
D) the same as at the surface.
E) zero.