A person is pushing on a uniform block of wood as shown in the figure and parameter table. The block ofwood has mass 140 kg and a coefficient of static friction of us, w = 0.25. Assume the person only exerts ahorizonatal force on the block of wood, and their shoes have a coefficient of static friction ls,p = 0.4.What is the minimum mass the person needs to be able to move the block? Also, what is the maximumvalue of ls, w that the wood could have and still slide instead of tip if pushed at the same location?L32valueunitsparameterL1L2L31.2m0.722.8Minimum mass of personkgMaximum value of us,w before block would tip:

Given: mass of the wood=140Kg coefficient of static friction of wood(μw)=0.25 so the weight of the…

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 µs,w = 0.25. 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 Hs, w that the wood could have and still slide instead of tip if pushed at the same location? parameter value LL L2 units 1.2 m 0.72 L3 2.8 m Minimum mass of person - kg Maximum value of µs,w before block would tip

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 µs,w = 0.25. 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 Hs, w that the wood could have and still slide instead of tip if pushed at the same location? parameter value LL L2 units 1.2 m 0.72 L3 2.8 m Minimum mass of person - kg Maximum value of µs,w before block would tip

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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