Rod AB is fixed to a smooth collar D, which slides freely along the vertical guide shown in (Figure 1). Point C islocated just to the left of the concentrated load P = 70 lb. Suppose that w= 17 lb/ft. Follow the sign convention.Part AFigure3 ft-1.5 ft√30°1 of 1Determine the normal force at point C.Express your answer in pounds to three significant figures.ΜΕ ΑΣΦ Η vecNc=SubmitRequest AnswerPart BDetermine the shear force at point C.Express your answer in pounds to three significant figures.VC=ΜΕ ΑΣΦΗvecSubmitRequest AnswerPart CDetermine the moment at point C.Express your answer in pound-feet to three significant figures.Mc=Ο ΑΣΦ ΗvecSubmitRequest AnswerProvide Feedback??lblb?lb-ft

Answered: Image /qna-images/answer/fe285b02-1ba5-4262-a221-1bfeaa61123d.jpg

Answered: Rod AB is fixed to a smooth collar D,…

Principles of Physics: A Calculus-Based Text

5th Edition

ISBN:9781133104261

Author:Raymond A. Serway, John W. Jewett

Publisher:Raymond A. Serway, John W. Jewett

Chapter6: Energy Of A System

Section: Chapter Questions

Problem 9OQ

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Which of the following statements is true about the relationship between the dot product of two vectors and the product of the magnitudes of the vectors? (a) AB is larger than AB. (b) AB is smaller than AB. (c) AB could be larger or smaller than AB, depending on the angle between the vectors. (d) AB could be equal to AB.
Find the angle between vectors for (a) D=(-3.0i-4.0j)m and A=(-3.0i+4.0j)m and (b) D=(2.0i+4.0j+K)m and B=(-2.0i+3.0j+2.0K)m .
In order to lift a shovelful of dirt, a gardener pushes downward on the end of the shovel and pulls upward at distance l2 from the end, as shown below. The weight of the shovel is mg and acts at the point os application of F2 . Calculate the magnitudes of the forces F1 and F2 as functions of l1 , l2 , mg, and the weight W of the load. Why do your answers not depend on the angle that shovel makes with the horizontal?
Show that when A+B=C then A2+B2+2ABcos , where is the angle between vectors A and B .
Check Your Understanding Find the angle between forces F1and F3in Example 2.16.
Hanging from the ceiling over a baby bed, well out of baby’s reach, is a string with plastic shapes, as shown here. The string is taut (there is no slack), as shown by the straight segments. Each plastic shape has the same mass m , and they are equally spaced by a distance d , as shown. The angles labeled describe the angle formed by the end of the string and the ceiling at each end. The center length of sting is horizontal. The remaining two segments each form an angle with the horizontal, labeled . Let T1 be the tension in the leftmost section of the string, T2 , be the tension in the section adjacent to it, and T3 be the tension in the horizontal segment. (a) Find an equation for the tension in each section of the string in terms of the variables m,g , and . (b) Find the angle in terms of the angle . (c) If =5.10 , what is the value of ?(d) Find the distance x between the endpoints in terms of d and .
Two muscles in the back of the leg pull upward on the Achilles tendon, as shown below. (These muscles are called the mediaI and lateral heads of the gastrocnemius muscle.) Find the magnitude and direction of the total force on the Achilles tendon. What type of movement could be caused by this force?
What is the dot product of a vector with the cross product that this vector has with another vector?
A pencil rests against a corner, as shown below. The sharpened end of the pencil touches a rough horizontal floor. The coefficient of static friction between the eraser and the floor is s=0.80 . The center of mass the pencil is located 9.0cm from the tip of the eraser and 11.0cm from the tip of the pencil lead. Find the minimum angle for which the pencil does not slip.
In order to get his car out of the mud, a man ties one end of a rope to the front bumper and the other end to a tee 15 m away as shown below. He then pulls on the center of the rope with a force of 400 N, which causes its center to be displaced 0.30 m, as shown. What is the force of the rope on the car?
Weights are gradually added to a pan until a wheel of mass M and radius R is pulled over an obstacle of height d, as shown below. What is the minimum mass of the weights plus the pan needed to accomplish this?
Answer the preceding problem using polar coordinates.

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