IUBC EngineeringThe 4 kg block sits on the edge of a disk with a radius of r = 1.25m.a. Assuming the block does not slip, what would be the force of friction betweenthe block and the disk if the disk is rotating at a constant angular velocity ofrad1.1 ?SF= 6.05* Nb. If the disk then begins to slow down and the coefficient of static frictionbetween the block and the disk is μs = 0.278, what is the magnitude of themaximum initial angular decceleration that would not cause the block to slideon the disk?Maximum a = 2.18☑rad$2

First, we need to calculate the centripetal force acting on the block. The centripetal force is the…

Answered: I UBC Engineering The 4 kg block sits…

International Edition---engineering Mechanics: Statics, 4th Edition

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ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

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Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.3P: Two identical chairs, each weighing 14 lb, are stacked as shown. The center of gravity of each chair...

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Question

I
UBC Engineering
The 4 kg block sits on the edge of a disk with a radius of r = 1.25m.
a. Assuming the block does not slip, what would be the force of friction between
the block and the disk if the disk is rotating at a constant angular velocity of
rad
1.1 ?
S
F
= 6.05
* N
b. If the disk then begins to slow down and the coefficient of static friction
between the block and the disk is μs = 0.278, what is the magnitude of the
maximum initial angular decceleration that would not cause the block to slide
on the disk?
Maximum a = 2.18
☑
rad
$2

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