Momo with mass m is sliding down an inclined plane that makes an angle Φ relative to the horizontal. The coefficient of kinetic friction between Momo and the inclined plane is μk. Obtain an expression for Momo's acceleration along the incline. Assign a rotated Cartesian plane so that the acceleration is along the positive x-axis and the normal force is along the positive y-axis.     The component of the weight parallel to Momo's acceleration is wx = mg _____phi   The magnitude of the frictional force is f = μk ______   The normal force on Momo is n = mg_____phi   With these expressions and applying Newton's second law, we arrive at an expression for Momo's acceleration:   a= _____(_____  - μk______)

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Momo with mass m is sliding down an inclined plane that makes an angle Φ relative to the horizontal. The coefficient of kinetic friction between Momo and the inclined plane is μk. Obtain an expression for Momo's acceleration along the incline.

Assign a rotated Cartesian plane so that the acceleration is along the positive x-axis and the normal force is along the positive y-axis.

 

 

The component of the weight parallel to Momo's acceleration is wx = mg _____phi

 

The magnitude of the frictional force is f = μk ______

 

The normal force on Momo is n = mg_____phi

 

With these expressions and applying Newton's second law, we arrive at an expression for Momo's acceleration:

 

a= _____(_____  - μk______)

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