A 18-Kg Block Is Projected Up a Rough 10 $\degree$ Inclined Plane

question 78

Multiple Choice

A 1.8-kg block is projected up a rough 10 $\degree$ inclined plane.As the block slides up the incline,its acceleration is 3.8 m/s² down the incline.What is the magnitude of the force of friction acting on the block?

• A)5.0 N
• B)3.8 N
• C)4.2 N
• D)4.6 N
• E)6.5 N

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Big Five Model

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