kap physical q

[2010premed]

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A 2 kg object slides down an incline with an angle of 30 to the horizontal. I fhte force of friction is 2N, what is the acceleration of the object?
A: 4m/s^2

I'm getting 3m/s^2 by mgsin30-2=ma -->gsin30-2=a -->a = 3

 

[fizzgig]

it looks like you didnt divide 2 by m when you divided through by m

 

[2010premed]

yup, thanks!