As P moves along the rough incline, the friction force will always oppose the motion of the block. As you see above, the friction force points up the incline as the velocity of the block points down ...
Thank you for reporting this station. We will review the data in question. You are about to report this weather station for bad data. Please select the information that is incorrect.
Thank you for reporting this station. We will review the data in question. You are about to report this weather station for bad data. Please select the information that is incorrect.