A 150-Kg Crate Is Placed on an Adjustable Inclined Plane

question 46

Multiple Choice

A 150-kg crate is placed on an adjustable inclined plane.If the crate slides down the incline with an acceleration of 0.70 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)21°
• B)16°
• C)11°
• D)26°
• E)​6°

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