Equilibrium: a System of Blocks and a Frictionless Pulley Is

question 32

Multiple Choice

Equilibrium: A system of blocks and a frictionless pulley is shown in the figure. Block A has a mass of 2.0 kg and is on a rough horizontal surface for which μ_s = 0.40 between the surface and block A. The rope pulls horizontally on block A. Block C has a mass of 1.0 kg. An external force P = 23.0 N, applied vertically to block A, maintains the system at rest as shown in the figure. What is the friction force on block A?

• A) 6.3 N
• B) 6.9 N
• C) 7.5 N
• D) 5.7 N
• E) 5.1 N

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Definitions:

Absorbent Dressing

A type of medical dressing designed to absorb bodily fluids from wounds, promoting a suitable environment for healing.

Full-thickness Repair

A surgical technique that involves the complete repair of all layers of a damaged tissue or organ.

Maturation

Genetically determined biological plan for growth and development. Physical growth and motor development are a function of maturation.

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Relating to the rapid multiplication of cells or tissue.