Vector Mechanics for Engineers: Statics and Dynamics
12th Edition
ISBN: 9781259977251
Author: BEER
Publisher: MCG
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Chapter 14.2, Problem 14.39P
A 15-lb block B starts from rest and slides on the 25-lb wedge A, which is supported by a horizontal surface. Neglecting friction, determine (a) the velocity of B relative to A after it has slid 3 ft down the inclined surface of the wedge, (b) the corresponding velocity of A.
Fig. P14.39
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8 in.
6 in.
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PROBLEM 13.58
A 3-lb collar is attached to a spring and slides without friction along a
circular rod in a horizontal plane. The spring has an undeformed length of
7 in. and a constant k = 1.5 lb/in. Knowing that the collar is in
equilibrium at A and is given a slight push to get it moving, determine the
velocity of the collar (a) as it passes through B, (b) as it passes through C.
VB =
= 11.66 ft/s
15.01 ft/s
VC
=
The 15-kg block B is supported by the 25-kg block A and is attached to a cord to which a 225-N horizontal force is applied as shown. Neglecting friction, determine (a) the acceleration of block A, (b) the acceleration of block B relative to A.
applied mechanics 2
Chapter 14 Solutions
Vector Mechanics for Engineers: Statics and Dynamics
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