A 100-Kg Crate Is Placed on an Adjustable Inclined Plane

question 11

Multiple Choice

A 100-kg crate is placed on an adjustable inclined plane.If the crate slides down the incline with an acceleration of 0.20 m/s² when the incline angle is 20°,then what should the incline angle be for the crate to slide down the plane at constant speed? (g = 9.8 m/s²)

• A) 24°
• B) 19°
• C) 14°
• D) 29°
• E) ​9°

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