what is the magnitude F of the net force vector F=F1+F2+F3? F1= 58N @ ?1=140degrees, F2=29N @ ?2=-120degrees, and F3=25N @ ?3=160 degrees

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Irving HeathcoteLv2

15 Feb 2019

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An object of mass m has these three forces acting on it (there is no normal force, "no surface"). F1 = 7 N, F2 = 7 N, and F3 = 5 N. When answering the questions below, assume the x-direction is to the right, and the y-direction is straight upwards.

a) What is the net force in component form, in terms of F1, F2, F3, and the unit vectors i and j

b) What is the magnitude of the net force, in newtons?

c) What is the angle

, in degrees, of the net force, measured from the +x-axis? Enter an angle between -180° and 180°.

d) What is the magnitude, |a| of the acceleration, in meters per square second, if the block has a mass of 8.5 kg?

a) What is the net force in component form, in terms of F1, F2, F3, and the unit vectors i and j
b) What is the magnitude of the net force, in newtons?
c) What is the angle Î¸, in degrees, of the net force, measured from the +x-axis? Enter an angle between -180Â° and 180Â°.
d) What is the magnitude, |a| of the acceleration, in meters per square second, if the block has a mass of 6.9 kg?

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Step 3: If you have a Force Table with 3 forces in static equilibrium acting on a ring (with f1 at 2.00N and 0 degrees, f2 at 2.00N and120 degrees, and f3 at 2.27N and-150 degrees) and you add .30N to f2, can you regain static equilibrium by only increasing or decreasing the angle of f2?

The forces $F_{1}, F_{2}, \dots, F_{n}$ acting at the same point P are said to be in equilibrium if the resultant force is zero, that is, if