Why tangential acceleration equals zero? Prosech s at Curvilincar Motion B Sampl

Question

Why tangential acceleration equals zero?

Prosech s at Curvilincar Motion B Sample problem Delermin the groger ban k sinmy mg sing m mg tanb : my anc Aling at 400 mi making a turn of 2 mile radius Note thatt exerted by the air is norma to the suppor ting wing suffee 32.2 tan 005 r and 8,G00 ?? 2 x3280 1mi 5260 ft First sclution Given that ?Velocity-ofthe-planer 6:tan 1 0l 219 9: 45. 35 ank a 4Mail 2 mi thares ne ngle? targenitial accleration of the plant Leim be Let N be the normal force ewerted on thu plane equi li briom .F Cost

Explanation / Answer

The tangential acceleration is zero since it moves at a constant speed in the circle.

The Normal acceleration serves the purpose of causing the motion to be circular, whereas the tangential one can make the rotation faster or slower. Since a uniform motion itself defines to be a constant velocity motion (i.e. the rotation is going on at a constant speed), the tangential component of acceleration is zero.

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