Two Blocks Rest on a Horizontal Frictionless Surface as Shown

question 67

Multiple Choice

Two blocks rest on a horizontal frictionless surface as shown. The surface between the top and bottom blocks is roughened so that there is no slipping between the two blocks. A 30-N force is applied to the bottom block as suggested in the figure.
-What is the force of static friction between the top and bottom blocks?

• A)zero newtons
• B)10 N
• C)20 N
• D)25 N
• E)30 N

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Definitions:

Bx

A shorthand notation for biopsy, a medical test involving the extraction of sample cells or tissues for examination.

Surgical Removal

The process of excising or taking out a body tissue, organ, or tumor through an operation, often to treat disease or injury.

Examination

A detailed inspection or analysis of an object or person, especially for medical purposes.

IRT

Initial Response Team, a group of professionals, typically in emergency services, who respond first to a scene of incident.