Question

Which of the following are examples of centripetal acceleration? Check all that apply. A. A skateboarder riding in circles B. A dart headed for a dartboard C. A car going around a curve D. A golf ball rolling down the green

Answer 1

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Number C is the right answer.......

here curve as a circle.......and also is number A right answer

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Answer 2

A skateboarder riding in circles is an examples of ‘centripetal acceleration’.

Option: A

Explanation:  

• The centripetal acceleration is one which is directed towards the ‘centre of the circle’. Hence this is applicable only for objects which move in a circular motion be it uniform or non-uniform.  

• A dart can never move in a circular path. Hence the answer is inappropriate. Also if a ball goes down a slope, it moves in a ‘straight line’.  

• If a car goes round a curve it is not necessary that the curve is an exact circle, so the most accurate answer would be the skateboard moving in a circular path.

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