Asked by Bala
Forces of 11.5 N north, 20.4 N east, and 15.7 N south are simultaneously applied to a 3.74 kg mass as it rests on an air table. What is the direction of the acceleration in degrees? (Take east to be 0 degrees and counterclockwise to be positive.)
Answers
Answered by
bobpursley
add the forces vectors.
a= F/m
combine the N-S forces, leaving you a S force, add that to E.
a= F/m
combine the N-S forces, leaving you a S force, add that to E.
Answered by
Bala
It's asking for the direction of acceleration. I calculated the acceleration already.
Answered by
bobpursley
Use the two force vectors to get it.
YOu have a net S force, and a net E force.
tHe angle S of east is given by arctan S/E where S and E are the resultant vectors in those directions.
YOu have a net S force, and a net E force.
tHe angle S of east is given by arctan S/E where S and E are the resultant vectors in those directions.
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