There are two points P and Q on a planar rigid body. The relative vel – McqOptions

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1.	There are two points P and Q on a planar rigid body. The relative velocity between the two points
A.	should always be along PQ
B.	can be oriented along any direction
C.	should always be perpendicular to PQ
D.	should be along QP when the body undergoes pure translation
Answer» D. should be along QP when the body undergoes pure translation

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