A bedroom bureau with a mass of 45 kg, including drawers and clothing, rests on the floor. (a) If the coefficient of static friction between the bureau and the floor is 0.45, what is the magnitude of the minimum horizontal force that a person must apply to start the bureau moving? (b) If the drawers and clothing, with 17 kg mass, are removed before the bureau is pushed, what is the new minimum magnitude?

Principles of Physics: A Calculus-Based Text
5th Edition
ISBN:9781133104261
Author:Raymond A. Serway, John W. Jewett
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Chapter4: The Laws Of Motion
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A bedroom bureau with a mass of 45 kg, including
drawers and clothing, rests on the floor. (a) If the coefficient of
static friction between the bureau and the floor is 0.45, what is the
magnitude of the minimum horizontal force that a person must apply
to start the bureau moving? (b) If the drawers and clothing,
with 17 kg mass, are removed before the bureau is pushed, what is
the new minimum magnitude?

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