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Q. |
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 |
Answer» B. It must have two components of acceleration e.g. centripetal, and tangential |
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