A person is pushing on a uniform block of wood as shown in the figure and parameter table. The block of wood has mass 140 kg and a coefficient of static friction of Hs, w = 0.3. Assume the person only exerts a horizonatal force on the block of wood, and their shoes have a coefficient of static friction Hs,p = 0.4. What is the minimum mass the person needs to be able to move the block? Also, what is the maximum value of 4a, w that the wood could have and still slide instead of tip if pushed at the same location?
A person is pushing on a uniform block of wood as shown in the figure and parameter table. The block of wood has mass 140 kg and a coefficient of static friction of Hs, w = 0.3. Assume the person only exerts a horizonatal force on the block of wood, and their shoes have a coefficient of static friction Hs,p = 0.4. What is the minimum mass the person needs to be able to move the block? Also, what is the maximum value of 4a, w that the wood could have and still slide instead of tip if pushed at the same location?
International Edition---engineering Mechanics: Statics, 4th Edition
4th Edition
ISBN:9781305501607
Author:Andrew Pytel And Jaan Kiusalaas
Publisher:Andrew Pytel And Jaan Kiusalaas
Chapter7: Dry Friction
Section: Chapter Questions
Problem 7.50P: The block of weight W is pulled by the force P inclined at the angle to the horizontal. Find the...
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