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4.4 . A man is dragging a trunk up the loading ramp of a mover's truck. The 75.0 ramp has a slope angle of 20.0, and the man pulls upward with a force F whose direction makes an angle of 30.0 with the ramp (Fig. E4.4). (a) How large a force F is necessary for the component Fx parallel to the ramp to be 90.0 N? (b) How large will the component Fy perpendicular to the ramp be then? Figure E4.4 20.0Problem A solid uniform ball with mass m and diameter d is supported against a vertical frictionless wall by a thin massless wire of length L. a) Find the tension in the wire. Solution a Let us first derive the expression for the tension. By Newton's First Law EF = the components of force that makes this so is EF = T = 0 Simplifying this results to T= ($) Analyzing the figure above, we arrive at ($) = sqrt( 2 + + By substitution, we arrive at the following: T = + 2 sqrt ( 2+ ) ) If the ball has a mass of 45 kg and diameter 32 cm, while the wire has a length of 30 rm. The tension is equal to For Blank 17 T = 0.370 NExpress your answers without rounding off and without scientific notation unless instructed otherwise. Multiple Blanks Write powers or subscript as is. Ex: Use b2 if you mean b2 or b2 Spell out Greek letters. Ex: Use pi if you mean 1r Write answers without spaces. Ex: Use 2epsilon0r3 if you mean 2601-3 1 Write fractions with a slash. Ex: Use 1I2 if you mean 2 QUESTION 6 Problem At the end of Chapter 4 Problem 4.4 of your book, consider that the trunk with mass M travels at a constant velocity along a frictionless incline and the angles involved are Bi and 95, where as corresponds to the angle with respect to the direction of motion and 9i is the angle of the incline. What are the simplied expressions for the tension on the rope and the normal force on the trunk in terms of M, g, and the angles? Answer T = 9 (9i)/ n =