The Center of Mass of a System of Particles Remains

question 49

Multiple Choice

The center of mass of a system of particles remains at the same place if:

• A)it is initially at rest and the external forces sum to zero
• B)it is initially at rest and the internal forces sum to zero
• C)the sum of the external forces is less than the maximum force of static friction
• D)no friction acts internally
• E)none of the above

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Definitions:

Discouraging Adults

Measures or strategies aimed at dissuading adult behavior deemed negative or harmful.

Age Of Majority

The threshold of adulthood as recognized by law, typically 18 years old in many countries, marking the point at which a person is legally considered an adult.

Right To Contract

The legal ability of an individual or entity to enter into binding agreements.

Great Britain

The island comprising England, Scotland, and Wales, often used to refer to the United Kingdom which includes Northern Ireland.