Two Blocks Connected by a String Are Pulled Across a Horizontal

question 11

Multiple Choice

Two blocks connected by a string are pulled across a horizontal surface by a force applied to one of the blocks,as shown.The coefficient of kinetic friction between the blocks and the surface is 0.25.If each block has an acceleration of 2.0 m/s² to the right,what is the magnitude F of the applied force?

• A)25 N
• B)18 N
• C)11 N
• D)14 N
• E)7.0 N

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Definitions:

Right

Right refers to the direction or side opposite of left, often associated with correctness, proper orientation, or a direction in geography or body parts.

Positive Feedback

A mechanism in which an initial change is amplified by its outcomes, often leading to an enhanced response in a system.

Healthy Individuals

Persons who are in a state of physical, mental, and social well-being, not merely the absence of disease or infirmity.

Positive Feedback

A process where a change in a variable triggers mechanisms that amplify that change.