The rotation of the 0.9-m arm OA about O is defined by the relation 0 = 0.15t2, where 0 is expressed in radians and t in seconds. A 0.75-kg collar B slides along the arm in such way that its distance from O is r= 0.9 – 0.12t², expressed in meters and t in seconds. Determine the magnitude and direction of %3D where r is II the resultant force on collar B after the arm OA has rotated 30°.

Structural Analysis
6th Edition
ISBN:9781337630931
Author:KASSIMALI, Aslam.
Publisher:KASSIMALI, Aslam.
Chapter2: Loads On Structures
Section: Chapter Questions
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The rotation of the 0.9-m arm OA about
O is defined by the relation 0 = 0.15t²,
where e is expressed in radians and t in
seconds. A 0.75-kg collar B slides along
the arm in such way that its distance from
O is r= 0.9 – 0.12t²,
expressed in meters and t in seconds.
Determine the magnitude and direction of
the resultant force on collar B after the
where r is
r is
II
arm OA has rotated 30°.
Transcribed Image Text:The rotation of the 0.9-m arm OA about O is defined by the relation 0 = 0.15t², where e is expressed in radians and t in seconds. A 0.75-kg collar B slides along the arm in such way that its distance from O is r= 0.9 – 0.12t², expressed in meters and t in seconds. Determine the magnitude and direction of the resultant force on collar B after the where r is r is II arm OA has rotated 30°.
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