Posted by **Mary** on Sunday, November 4, 2012 at 12:20pm.

part 1

A coordinate system (in meters) is constructed on the surface of a pool table, and

three objects are placed on the coordinate system as follows: a 1.5 kg object at the origin,

a 3.4 kg object at (0 m,1.8 m), and a 4.5 kg

object at (4.2 m,0 m).

THANK YOU!!

Find the resultant gravitational force exerted on the object at the origin by the other

two objects. The universal gravitational constant is 6.672 × 10

−11

N · m2

/kg

2

.

Answer in units of N

Part 2

At what angle does it act with respect to

the positive x axis? Let counterclockwise be

positive, within the limits of −180

◦

to 180

◦

.

Answer in units of

◦

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