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`        QNS: how to solve more than two pulley problems and how to find accelaration of system contains pulley+wedge`
8 years ago

24 Points
```										Hi
The tips to be followed are:
Draw Big and clear Free Body Diagrams.
Indicate all the forces
Calculate the net force and hence calculate the net acceleration
The following procedure is recommended when dealing with problems involvingNewton’s laws:• Draw a simple, neat diagram of the system.• Isolate the object whose motion is being analyzed. Draw a free-body diagramfor this object. For systems containing more than one object, draw separatefree-body diagrams for each object. Do not include in the free-body diagramforces exerted by the object on its surroundings. Establish convenient coordinateaxes for each object and find the components of the forces alongthese axes.• Apply Newton’s second law, F = ma, in component form. Check your dimensionsto make sure that all terms have units of force.• Solve the component equations for the unknowns. Remember that you musthave as many independent equations as you have unknowns to obtain acomplete solution.• Make sure your results are consistent with the free-body diagram. Also checkthe predictions of your solutions for extreme values of the variables. By doingso, you can often detect errors in your results.
Regards
Rajat

```
8 years ago
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