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Determine the amount and direction of smallest force P required to start the wheel as shown in fig over the block what is the reaction at block wt of wheel is 200N
written 2.2 years ago by gravatar for mahalletanv164 mahalletanv164 • 20 modified 2.2 years ago by gravatar for RakeshBhuse RakeshBhuse • 3.2k

Determine the amount and direction of the smallest force required to start the wheel as shown in fig over the block what is the reaction of block wt of wheel is 200N

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engineering mechanics
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written 2.2 years ago by gravatar for RakeshBhuse RakeshBhuse • 3.2k •   modified 2.2 years ago

Solution :

1

Let , the reaction of the block be the R.

The force P is always perpendicular with reaction R.

When the wheel is just on the point of movement up, then it loose contact with inclined plane and reaction at this point becomes zero. 

Consider triangle OPM,

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