PEARSON ETEXT ENGINEERING MECH & STATS
15th Edition
ISBN: 9780137514724
Author: HIBBELER
Publisher: PEARSON
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1. The cord AB has a length of 5 m and is attached to the end B of the spring having a stiffness k = 10 N/m.
The other end of the spring is attached to a roller C so that the spring remains horizontal as it stretches. If a
10 N weight is suspended from B, determine the necessary un-stretched length of the spring, so that = 40°
for equilibrium.
5 m
5 m
5 m-
www
k = 10 N/m
The uniform link shown has a mass of 10 kg. If the spring is unstretched when θ = 0°, determine the angle θ for equilibrium and investigate the stability at the equilibrium position.
If the mass of the flowerpot is 65 kg,
calculate the tension generated in every
cable for equilibrium. Assume r = 1.5 m
and z = 2 m.
C+2m
3 m
- 6 m
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- The spring attached to the sliding collar is capable of carrying tension and compression. The spring has a stiffness k = 1.5 lb/in., and its free length is 1.5L. If the System is known to be in equilibrium in the position =30, determine the weight W of the slider.arrow_forward5. The two bars each have a weight of 8 lb. Determine the required stiffness k of the springs so that the two bars are in equilibrium when 0 = 30. The spring has an unstretched length of 1 ft. 2 ft B Ꮎ www 2 ftarrow_forwardDetermine the unstretched length of spring AC if a force P = 100 Ib causes the angle 0= 52° for equilibrium. Cord AB is 2 ft long. Take k = 35 lb/ft. 2 ft 2 ft wwwarrow_forward
- Q3: The 500-1b cylinder is supported by three chains as shown. Determine the force in each chain for equilibrium. Z 135⁰ 90° 1 ft 41359 B 18 ft 500 lb yarrow_forwarddo itarrow_forwardDetermine the tension in each cable necessary for equilibrium of the massless pipe supporting 800 N/m uniform load over a distance of 3 m if the support at A is ball- and-socket. Note that the structure is symmetrical about the x-z plane. X 1.5 m 800 N/m 3 m B 1 m 1.5 m -1.5m1m Z 1.5 m 3 marrow_forward
- Determine the ratio P/Q of the forces that are required to maintain equilibrium of the mechanism for an arbitrary angle 0. Neglect the weight of the mechanism.arrow_forwardSpring CD remains in the horizontal position at all times due to the roller at D. If the spring is unstretched when 0 = 0° and the stiffness is k = 1.5 kN/m, determine the smallest angle for equilibrium and the horizontal and vertical components of reaction at pin А. 0.45 m 0.6 m B F= 300 N Aarrow_forwardTake F = 310 N and d = 1.0 m Determine the force in cable AC and AB needed to hold the 24-kg ball D in equilibrium.arrow_forward
- If d = 0.80 ft and the spring has an unstretched length of 1 ft, determine the force F required for equilibrium in Ibs. B 1 ft 1 ft k = 150 lb/ft A 1 ft 1 ft Darrow_forwardDetermine the minimum tension in the rope at points A and B that is necessary to maintain equilibrium. Take µ = 0.3 between the rope and the fixed post D. 300 lb T D B 60° Aarrow_forwardThe rope that makes up the system has a total length of 5 m.At D there is a load of weight W = 1320 N.Calculate the value of the load to be placed at B so that the system remains in equilibrium when S = 1,5 m.arrow_forward
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