A 10-Kg Block Is Pushed Up a Rough 22° Inclined Plane

question 69

Multiple Choice

A 1.0-kg block is pushed up a rough 22° inclined plane by a force of 7.0 N acting parallel to the incline. The acceleration of the block is 1.4 m/s² up the incline. Determine the magnitude of the force of friction acting on the block.

• A) 1.9 N
• B) 2.2 N
• C) 1.3 N
• D) 1.6 N
• E) 3.3 N

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