If a particle of a link has a velocity when changes both in magnitude and direction at any instant, then
A)It must have three components of acceleration e.g. centripetal, centrifugal and gravitational
B)It must have two components of acceleration e.g. centripetal, and tangential
C)It must have three components of acceleration e.g. centripetal centrifugal and tangential
D)It must have four components of acceleration e.g. centripetal, centrifugal gravitational and tangential
E)It must have only unidirectional acceleration

Question

Quizplus · Accepted Answer

When a particle's velocity changes both in magnitude and direction, it must have two components of acceleration: centripetal (or radial) acceleration, which changes the direction of the velocity vector, and tangential acceleration, which changes the magnitude of the velocity vector.

If a Particle of a Link Has a Velocity When