The relation between linear and angular acceleration is which of the following?
Correct answer: A. a = α x r
- A. a = α x r
- B. a= α x rv
- C. v = a x r
- D. r = α x v
Explanation
Option A is correct since: a= α x r is the correct relationship between both angular acceleration and linear acceleration.
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About Angular and Linear Quantities
Rotational motion relates angular displacement, angular velocity and angular acceleration to linear displacement, tangential velocity and tangential acceleration through the radius. Questions use radians, v equals r omega and tangential acceleration, while distinguishing tangential velocity from centripetal acceleration and angular quantities from their linear counterparts.
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