Question

a small object placed on a rotating horizontal turntable just slips when it is placed at a distance of 4 centimetre from the axis of rotation. if the angular velocity of the turn table is double the objects slips when its distance from the axis of rotation is?

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Answer 1

Heya...

Ques :- A small object placed on a rotating horizontal turntable just slips when it is placed at a distance of 4 centimetre from the axis of rotation. if the angular velocity of the turn table is double the objects slips when its distance from the axis of rotation is???

Ans _______________

The object will slip if the centripetal force will greater or equal to force of friction.........

mrw^2 great or equal to umg
rw^2 great or equal to ug
rw2 = constant

Then _____

r1/r2 = ( w1/w2)^2

4cm/r^2 = (2w/w)^2

r2 = 1 cm

Thank you

Answer 2

Answer:

A small objective placed on a rotating horizontal trun table just slip when it is placed at a distance 4cm from the axis of rotation. If the angular velocity of the trun-table doubled, the objective slip when its distance from the axis of ratation is. :. r2=1cm