Homework Help: physics

Posted by jimye jackson on Saturday, September 29, 2012 at 12:04pm.

Two forces of magnitude 80n and 60n are inclinde to each other at angle 90 calculate the resultant force and obtain it direction draw the system forces.

physics - Henry, Sunday, September 30, 2012 at 8:15pm
X = Hor. = 80 N.
Y = Ver. = 60 N.

tanA = Y/X = 60/80 = 0.75
A = 36.9o = Direction.

Resultant = X/cosA = 80/cos36.9 = 100 N.

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