At what angle does the crate begin to slide

Reference no: EM13294853

A 45-kg crate is placed on an inclined ramp. When the angle the ramp makes with the horizontal is increased to 25 degrees , the crate begins to slide downward.

a.) What is the coefficient of static friction between the crate and the ramp?

b.) At what angle does the crate begin to slide if its mass is doubled?

Reference no: EM13294853

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