Physics

To calculate the net force acting on the box, we need to follow these steps:

1. Calculate the vertical component of the tension.

 

Using :

 

2. Calculate the normal force.

 

The normal force is affected by the weight of the box and the vertical component of the tension:

 

3. Calculate the frictional force.

 

The frictional force can be calculated using the coefficient of kinetic friction :

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