A 20-Kg Block Slides on a Frictionless 25° Inclined Plane

question 21

Multiple Choice

A 2.0-kg block slides on a frictionless 25° inclined plane. A force of 4.6 N acting parallel to the incline and up the incline is applied to the block. What is the acceleration of the block?

• A) 1.8 m/s² up the incline
• B) 2.3 m/s² up the incline
• C) 6.6 m/s² down the incline
• D) 1.8 m/s² down the incline
• E) 2.3 m/s² down the incline

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