Author Question: The important similarity that Newton noticed between a falling apple and the moon was that A) the ... (Read 28 times)

JMatthes · **on:** Jul 29, 2018

The important similarity that Newton noticed between a falling apple and the moon was that

A) the net force on both is away from Earth, i.e., outward from the center of Earth.
B) both are good to eat.
C) the velocities of both are toward Earth's center.
D) both are moving.
E) the accelerations of both are toward Earth's center.

Question 2

The center of mass of a two-particle system is at the origin. One particle is located at (3.0 m, 0.0 m) and has a mass of 2.0 kg. The other particle has a mass of 3.0 kg. What is the location of the 3.0-kg particle?

A) (-3.0 m, 0.0 m)
B) (-2.0 m, 0.0 m)
C) (2.0 m, 0.0 m)
D) (3.0 m, 0.0 m)