A 5 $\times$ 10^-6-Kg Dot of Paint on the Side of a Rotating

question 85

Multiple Choice

A 5 $\times$ 10^-6-kg dot of paint on the side of a rotating cylinder flies off when the angular speed of the cylinder reaches 5 $\times$ 10³ rad/s.The spin axis of the cylinder is vertical and its radius is 0.04 m.The force of adhesion between the paint and the surface is approximately

• A)1 N
• B)1 mN
• C)5 mN
• D)5 kN
• E)5 N

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Definitions:

Conjunctivitis

An inflammation or infection of the outer membrane of the eyeball and the inner eyelid, known as pink eye.

Xerophthalmia

A medical condition characterized by dry eyes, often caused by a deficiency in vitamin A.

Trichiasis

A condition where eyelashes grow inward, potentially irritating the eye.

Emmetropia

The condition of the eye where the optical system is perfectly matched to the length of the eyeball, resulting in sharp vision at all distances.