In kinetics, how do you decide if an object has a tangential component of accele

Question

In kinetics, how do you decide if an object has a tangential component of acceleration? For example, when you swing a pail in a vertical circle, it only has a normal component and no tangential component when it reaches the top of the circle. In kinetics, how do you decide if an object has a tangential component of acceleration? For example, when you swing a pail in a vertical circle, it only has a normal component and no tangential component when it reaches the top of the circle. In kinetics, how do you decide if an object has a tangential component of acceleration? For example, when you swing a pail in a vertical circle, it only has a normal component and no tangential component when it reaches the top of the circle.

Explanation / Answer

check whether there is any force in tangential direction on object.

if there is tangentially zero net force then

from newton's 2nd law,

Fnet = m a = 0

hence tangential acc. will be zero.

so if there is no force in tangential direction (Or zero net force) , then there will be
no tangential component of acc.

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