An object of mass m has these three forces acting on it (there is no normal torce, "no surface"). F₁, F2, and F3 as shown in the figure on the right. When answering the questions below, assume the x-direction is to the right, and the y-direction is straight upwards. F-F₂1-31-F₁j✓ Correct! F← Write a symbolic expression for the net force in component form. Give your answer in terms of F₁, F2, F3, and the unit v

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Chapter1: Units, Trigonometry. And Vectors
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An object of mass m has these three forces acting on it (there is no normal
torce, "no surface"). F₁, F2, and F3 as shown in the figure on the right. When answering the
questions below, assume the x-direction is to the right, and the y-direction is straight upwards.
F=F₂i-r1-F₁j ✔Correct!
||F| =
F←
➤F₂
Write a symbolic expression for the net force in component form. Give your answer in terms of F₁, F2, F3, and the unit vectors i and j.
Let F₁ =3 N, F₂ = 10 N, and F3 = 1 N. Calculate is the magnitude of the net force, in newtons.
sin()
cos()
tan()
7
8
9
HOME
T()
EMA
cotan()
asin()
5 6
atan()
*
acotan()
1
2
cosh()
tanh()
0
END
CLEAR
Ⓒ Degrees
VO BACKSPACE DEL
Submit
Hint
Feedback I give up!
What is the angle 8, in degrees, of the net force, measured from the +x-axis? Enter an angle between -180° and 180°.
What is the magnitude, al of the acceleration, in meters per square second, if the block has a mass of 7.6 kg?
acos
sinh()
cotanh()
Radians
+4
1
wa
3
IS
Transcribed Image Text:An object of mass m has these three forces acting on it (there is no normal torce, "no surface"). F₁, F2, and F3 as shown in the figure on the right. When answering the questions below, assume the x-direction is to the right, and the y-direction is straight upwards. F=F₂i-r1-F₁j ✔Correct! ||F| = F← ➤F₂ Write a symbolic expression for the net force in component form. Give your answer in terms of F₁, F2, F3, and the unit vectors i and j. Let F₁ =3 N, F₂ = 10 N, and F3 = 1 N. Calculate is the magnitude of the net force, in newtons. sin() cos() tan() 7 8 9 HOME T() EMA cotan() asin() 5 6 atan() * acotan() 1 2 cosh() tanh() 0 END CLEAR Ⓒ Degrees VO BACKSPACE DEL Submit Hint Feedback I give up! What is the angle 8, in degrees, of the net force, measured from the +x-axis? Enter an angle between -180° and 180°. What is the magnitude, al of the acceleration, in meters per square second, if the block has a mass of 7.6 kg? acos sinh() cotanh() Radians +4 1 wa 3 IS
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