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HELP!!

I need extra help. I'm studying for my Final Exam which is tomorrow and I cannot remember how to find forces of objects on an inclined plane. The question I'm having troubles with is:

A 12.5 kg crate is placed on a ramp that is at an angle of 22 degrees from the horizontal. Find the acceleration of the crate would be down the ramp:

a) in the absence of friction (answer 3.67 m/s-squared down slope)

b) if the coefficient of kinetic friction is 0.0 (0.95 m/s-squared down slope)

Help!!

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# Homework Help: Final Exam Question Help

**Physics Forums | Science Articles, Homework Help, Discussion**