Concept explainers
(a)
The angular velocity of rod
Answer to Problem 15.85P
The angular velocity of rod
Explanation of Solution
Given information:
At the instant shown, the velocity of collar
Concept used:
The angular velocity (
Calculation:
At the instant shown, the velocity of collar
The rod
Thus, the instantaneous center can be obtained by drawing the lines perpendicular to
Point
Consider the motion of point
The angular velocity of
Thus, the angular velocity of rod
Conclusion:
The angular velocity of rod
(b)
The velocity of point
Answer to Problem 15.85P
The velocity of point
Explanation of Solution
Given information:
At the instant shown, the velocity of collar
Concept used:
The angular velocity (
Calculation:
Point
Consider the motion of point
From part (a),
The velocity of point
Thus, the velocity of point
Conclusion:
The velocity of point
(c)
The velocity of point
Answer to Problem 15.85P
The velocity of point
Explanation of Solution
Given information:
At the instant shown, the velocity of collar
Concept used:
The angular velocity (
Calculation:
Point
Consider the motion of point
From part (a),
The velocity of point
Thus, the velocity of point
Conclusion:
The velocity of point
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Chapter 15 Solutions
Vector Mechanics For Engineers
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- Knowing that at the instant shown the angular velocity of rod AB is 15 rad/s clockwise, write down the equation of velocity of point B relative to point D. Equation should be in vectorial form. Value of postion vector should be inserted.arrow_forwardKnowing that at the instant shown the angular velocity of bar AB is 15 rad/s clockwise and the angular velocity of bar EF is 10 rad/s clockwise, determine (a) the angular velocity of rod DE, (b) the relative velocity of collar B with respect to rod DE.arrow_forwardKnowing that angular velocity of link AB is WAB = 4 rad/s, determine the velocity of the collar at C and the angular velocity of link CB at the instant shown. Link CB is horizontal at this instant. 350 mm B 45° WAB = 4 rad/s 500 mm 60° Aarrow_forward
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