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Old Jan 31st 2009, 09:39 AM   #1
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Static Equilibrium and Elasticity

The object shown in the diagram is a cube of uniform density resting on a rough surface. The applied force F is balanced by the frictional force $\displaystyle F_{fr}$. When the block is on the verge of tipping, the point of application of the normal force acting on the cube will be



a) 1
b) 2
c) 3
d) 4
e) 5
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Old Feb 1st 2009, 09:15 PM   #2
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Originally Posted by anMoons View Post
The object shown in the diagram is a cube of uniform density resting on a rough surface. The applied force F is balanced by the frictional force $\displaystyle F_{fr}$. When the block is on the verge of tipping, the point of application of the normal force acting on the cube will be



a) 1
b) 2
c) 3
d) 4
e) 5
Sorry, could you please specify more clearly what do all numbers above refer to?
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Old Feb 2nd 2009, 05:35 PM   #3
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Originally Posted by werehk View Post
Sorry, could you please specify more clearly what do all numbers above refer to?
Those number must be refer to where the point of application of the normal force acting on the cube will be
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Old Jul 26th 2009, 05:43 AM   #4
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Static Equilibrium and Elasticity

anMoons

Think about the following:

1. The magnitude of the force that is being applied in relation to the weight
2. What are typical values of coefficient of friction and what is the maximum theoretical range of these factors
3. The moments that would be applied if the force were acting on each area. Dont forget to include the weight of the object.
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