Question

The center of mass or center of gravity is used___

• A. in a uniform gravitational field to represent the unique point in an object or system
• B. in a non-uniform gravitational field to represent the unique point in an object or system
• C. in a uniform magnetic field to represent the unique point in an object or system
• D. in a uniform electric field to represent the unique point in an object or system

Answer 1

The correct option is A

in a uniform gravitational field to represent the unique point in an object or system

The center of mass or center of gravity is used in a uniform gravitational field to represent the unique point in an object or system. It is a point in a body where the entire mass of the body is assumed to be concentrated. It is applicable to all types of shapes i.e. regular and irregular shapes.