A plank with a box on it at one end is gradually raised about the other end.

A Plank With A Box On It At One End Physics Question

A plank with a box on it at one end is gradually raised about the other end. As the angle of inclination with the horizontal reaches 30⁰, the box starts to slip and slides 4.0 m down the plank in 4.0 s. The coefficients of static and kinetic friction between the box and the plank will be, respectively.

A Plank With A Box On It At One End Is Gradually Raised About The Other End Q 46

Options

(a) 0.5 and 0.6
(b) 0.4 and 0.3
(c) 0.6 and 0.6
(d) 0.6 and 0.5

Correct Answer:

0.6 and 0.5

Explanation:

No explanation available. Be the first to write the explanation for this question by commenting below.

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Topics: Laws of Motion (103)
Subject: Physics (2479)

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