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A 10-lb block B rests as shown on a 20-lb bracket A. The coefficients of friction are u_s=0.3 and u_k=0.25 between block B and bracket A, and there is no friction in the pulley or between the bracket and the horizontal surface. (a). Determine the maximum weight of block C if block B is not to slide on bracket A. (b) If the weight of block C is 10 percent larger than the answer found in a, determine the accelerations of A, B,and C.
the 2 Mg car increases its speed uniformly from rest to 25 m/s in 30s up the inclined road. determine the maximum power that must be supplied by the engine, which operates with an efficiency of 0.8. also, find the average power supplied by the eng..
a 14-ft long ladder leans against a wall with the bottom of the ladder placed 4ft from the base of the wall. how high on the wall will the ladder reach.
A particular grade of Nitinol SMA is capable of upto 6% strain recovery and develops an internal restoration stress of upto 300 MN m-2. Estimate the amount of force and distance of travel that could be triggered by warming a rod
Why is it appropriate to take velocity measurements at several diameters downstream of the fan?
consider a conical pendulum that is a ball of mass m at the end of a string of length li moving in a horizontal circle
Equation of an elastic curve, Given the equation of the elastic curve for a simply supported beam, how would you obtain the slope in the beam, since the equations are related?
Find the transfer function for the following impulse response
When the average grain diameter is increased to 3.20x10-2 mm, what is the modulus of resilience (in J/m^3) if the modulus of elasticity is known to be 134 GPa?
What would happen if the air filter was partially choked. If the piston rings were leaking state what you would expect the results of a, b, c, and d above would be.
two bars one having a circular section of radius b the other an elliptic section with semiaxes ab.for equal angles of
Assignment on kinematic chains - Type of chain whether it is locked,constrained or unconstrained?
the beam is to be hoisted using two chains if the resultant force is to be 600n directed along the positive y axis
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