
The acceleration of the collar A when

Answer to Problem 15.219P
The acceleration of collar A is
Explanation of Solution
Given information:
The collar B moves towards D at a constant speed of
The length of rod AB is
The distance
Calculation:
Calculate the position
The position of A.
The position of D.
The position of C.
The position of D with respect to C.
Substitute
Calculate the length of CD
The position of B with respect to C.
Substitute
The position of B.
Substitute
The position of A with respect to B.
Substitute
Calculate the length value of y of AB using the relation as shown below.
Substitute
Calculate the position of A with respect to B
Substitute
Calculate the velocity at B
Substitute
Calculate the velocity of collar A with respect to B
The velocity of collar A with respect to B
Calculate the velocity of collar A
Apply the dot product of
Substitute
Substitute
Calculate the relative velocity of collar A with respect to B
Substitute
The acceleration of collar B is
The acceleration of collar A is
Calculate the acceleration of collar A with respect to B
The acceleration
Calculate the acceleration of collar A
Substitute
Apply the dot product of
Substitute
Substitute
Therefore, the acceleration of collar A is
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Chapter 15 Solutions
Vector Mechanics for Engineers: Statics and Dynamics
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