Question

What happens to centripetal force when speed decreases, in the special case that the object continues...

What happens to centripetal force when speed decreases, in the special case that the object continues moving in a circle of the same radius?

a)The force increases.
b)The force sometimes stays the same and sometimes decreases.  
c)The force also decreases.
d)The radius cannot stay the same.Speed does not affect centripetal force.

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Answer #1

here,

the centripetal force , F = m * v^2 /R

m - mass of object

v - speed of object

R - radius of circle

when the speed decreases and the radius of circle remains the same

the centripetal force will decreases

so, the correct option is C) the force also decreases

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