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Unformatted text preview: 0.1 m 0.06 m r 0.14 In —x—‘ (—)—
E PROBLEM 4.36 A light bar AD is suspended from a cable BE and supports a ZOON
block at C. The ends A and D of the bar are in contact with
frictionless vertical walls. Determine the tension in cable BE and
the reactions at A and D. PROBLEM 4.39 Two aleta have been eat in plate DEF, and the plate has
been placed an that the slate ﬁt two ﬁxed, frieliarﬂeaa pins A
and B. Kitewing that P: 15 N, determine (a) the force each pin exerts en the plate, (In) the reaction at F. PROBLEM 4.48 For the beam and loading shown, determine the range of values of W
for which the magnitude of the couple at D does not exceed 200 N  In. PROBLEM 4.52 A slender rod AB, of weight W, is attached to blocks A and B,
which move freely in the guides shown. The blocks are connected
by an elastic cord that passes over a pulley at C. (a) Express the
tension in the cord in terms of Wand 6. (5) Determine the value of
6 for which the tension in the cord is equal ”to 3 W. PROBLEM 4.56 A vertical load P is applied at end B of rod BC. The constant of the
spring is k, and the spring is unstretched when 6 = 90°. (or) Neglecting
the weight of the rod, express the angle 6 corresponding to equilibrium in terms of P, k, and l. (b) Determine the value of 6 corresponding to
equilibrium when P = ikl. ...
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 Spring '11

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