From this App you can learn :
Define, discuss, correlate and identify the center of mass of any given object
Understand and identify the center of mass of a two-body system.
Analyze and detect the center of mass of rigid bodies.
Investigate and determine the motion of center of mass.
Define linear momentum and illustrate the conservation of linear momentum related to center of mass.
Distinguish and differentiate about the center of mass and center of gravity.
Evaluate the location of center of gravity.
Define, discuss and relate, equilibrium with general conditions and its different types.
Understand, analyze and apply, linear momentum to real world applications.
Define, understand, investigate and apply, impulse to daily life activities.
Understand the conservation of momentum and apply it to real world situations.
Understand the concept of collisions and its types. Also extend it to two dimensions to evaluate real world situations.

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This topic covers under Physics subject as a part of the Mechanics topic
and this topic contains following sub topics
Linear Momentum
Impulse
Conservation of momentum
Collisions
Center of mass
Motion of Center of mass
Center of mass and stability