A 50-Kg Object Is Suspended by a String from the Ceiling

question 16

Multiple Choice

A 5.0-kg object is suspended by a string from the ceiling of an elevator that is accelerating downward at a rate of 2.6 m/s2. What is the tension in the string?

• A)49 N
• B)36 N
• C)62 N
• D)13 N
• E)52 N

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Definitions:

Antibody

Protein produced in response to the presence of an antigen; each antibody combines with a specific antigen.

Antigen

A substance that stimulates an immune response, especially the production of antibodies, because it is recognized by the body as foreign.

Variable Region

A region in an antibody's structure that varies among different antibodies, allowing them to bind to a vast array of antigens.

Adaptive Immunity

Type of immunity that is characterized by the response of lymphocytes to specific antigens.