A 20-Kg Block Slides on a Rough Horizontal Surface

question 79

Multiple Choice

A 2.0-kg block slides on a rough horizontal surface. A force (magnitude P = 4.0 N) acting parallel to the surface is applied to the block. The magnitude of the block's acceleration is 1.2 m/s². If P is increased to 5.0 N, determine the magnitude of the block's acceleration.

• A) 2.1 m/s²
• B) 2.3 m/s²
• C) 1.9 m/s²
• D) 1.7 m/s²
• E) 3.2 m/s²

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Definitions:

Posterior Compartment Syndrome

A condition involving increased pressure within the posterior compartment of the leg that can compromise circulation and nerve function, often caused by injury.

Drumming Fingers

Repetitive tapping of the fingers against a surface, often unconsciously executed as an outlet for psychological energy or an expression of impatience or nervousness.

Interossei Palmaris

Muscles located in the palm of the hand that are responsible for moving the fingers.

Flexor Carpi Ulnaris

A muscle of the human forearm that acts to flex and adduct the wrist.