EP ENGR.MECH.-MOD.MASTERING ACCESS
15th Edition
ISBN: 9780134867267
Author: HIBBELER
Publisher: PEARSON CO
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Textbook Question
Chapter 1, Problem 15P
Using the SI system of units, show that Eq. 1-2 is a dimensionality homogeneous equation which gives F in newtons. Determine to three significant figures the gravitational force acting between two spheres that are touching each other. The mass of each sphere is 200 kg and the radius is 300 mm.
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1-62 Determine the dimensions of c, », k, and P in the
|differential equation
d²x
dx
+c-
dt
+ kx = P cos at
in which m is mass, x is length, and t is time.
2. Using the base units of the SI system, show that F = G(mim2)/r2 is a dimensionally
homogeneous equation which gives F in newtons. Compute the gravitational force acting
between two identical spheres that are touching each other. The mass of each sphere is mı,
and the radius is r.
Units Used:
Given:
m1 = 150 kg
.3
10-12 m
kg-s r = 275 mm
µN = 10-6 N
G = 66.73 10
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Chapter 1 Solutions
EP ENGR.MECH.-MOD.MASTERING ACCESS
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