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(17%) Problem 5: An object of mass m has these three forces acting on it (there is no normal force, "no surface"). F1 = 7 N, F2 = 9 N, and F3 = 3 N. When answering the questions below, assume the x-direction is to the right, and the y-direction is straight upwards. 25% Part (a) What is the net force in component form, in terms of F1, F2, F3, and the unit vectors i and j 25% Part (b) What is the magnitude of the net force, in newtons? 25% Part (c) What is the angle ?, in degrees, of the net force, measured from the +x-axis? Enter an angle between -180° and 180°. 25% Part (d) What is the magnitude, |a| of the acceleration, in meters per square second, if the block has a mass of 9.6 kg?

          (17%) Problem 5: An object of mass m has these three forces acting on it (there is no normal force, "no surface"). F1 = 7 N, F2 = 9 N, and F3 = 3 N. When answering the questions below, assume the x-direction is to the right, and the y-direction is straight upwards.

25% Part (a) What is the net force in component form, in terms of F1, F2, F3, and the unit vectors i and j

25% Part (b) What is the magnitude of the net force, in newtons?
25% Part (c) What is the angle ?, in degrees, of the net force, measured from the +x-axis? Enter an angle between -180° and 180°.
25% Part (d) What is the magnitude, |a| of the acceleration, in meters per square second, if the block has a mass of 9.6 kg?

(17%) Problem 5: An object of mass m has these three forces acting on it (there is no normal force, "no surface"). F1 = 7 N, F2 = 9 N, and F3 = 3 N. When answering the questions below, assume the x-direction is to the right, and the y-direction is straight upwards.

25% Part (a) What is the net force in component form, in terms of F1, F2, F3, and the unit vectors i and j

25% Part (b) What is the magnitude of the net force, in newtons?
25% Part (c) What is the angle ?, in degrees, of the net force, measured from the +x-axis? Enter an angle between -180° and 180°.
25% Part (d) What is the magnitude, |a| of the acceleration, in meters per square second, if the block has a mass of 9.6 kg?

Added by Brian H.

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