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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