A weighs wA and has the dimensions shown. The coefficient of static friction between the cable and the two pulleys is μP and for the block and incline, μA. Determine the maximum weight of block B to maintain equilibrium. What will happen to block A if wB exceeds this maximum value? The part of the cable connecting block A and the pulley C has a 10° angle from an axis parallel to the incline. h is the distance (parallel to the side of the block) of the point of application of the cable at block A from the inclined surface. Indicate the direction of impending motion for each FBD. μA = 0.45 wA = 104lb μP = 0.23 α = 32° h = 7.1°
A weighs wA and has the dimensions shown. The coefficient of static friction between the cable and the two pulleys is μP and for the block and incline, μA. Determine the maximum weight of block B to maintain equilibrium. What will happen to block A if wB exceeds this maximum value? The part of the cable connecting block A and the pulley C has a 10° angle from an axis parallel to the incline. h is the distance (parallel to the side of the block) of the point of application of the cable at block A from the inclined surface. Indicate the direction of impending motion for each FBD. μA = 0.45 wA = 104lb μP = 0.23 α = 32° h = 7.1°
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Block A weighs wA and has the dimensions shown. The coefficient of static friction between the cable and the two pulleys is μP and for the block and incline, μA.
Determine the maximum weight of block B to maintain equilibrium.
What will happen to block A if wB exceeds this
maximum value?
The part of the cable connecting
block A and the pulley C has a 10° angle from an axis parallel to the incline. h is the distance (parallel to the
side of the block) of the point of application of the cable at block A from the inclined surface.
Indicate the direction of impending motion for each FBD.
μA = 0.45
wA = 104lb
μP = 0.23
α = 32°
h = 7.1°
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