A 10-N force at right angle 45 degree above the horizontal has a horizontal component of about ? CHOICES IN THE DETAILS ..

Question

Steps please ..
A) 7 N
B) 5 N
C) 10 N

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Answer 1 · 2017-10-13T11:27:16

(A) #7N#

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According to the diagram,

#A=45°#

#c=10N#

#b="horizontal component"#

We'll be using, #costheta="adjacent"/"hypotenuse"#

Here,

#theta=45°#

#"hypotenuse"=F=10N#

#"adjacent"=F_x=?#

#=>cos45°=F_x/(10N)#

#=>F_x=10N*cos45°~~7N#