Wednesday
April 16, 2014

Homework Help: Physics B

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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