P14-4. Determine the potential energy in the spring that has an unstretched length of 4 m. k = 10 N/m 3 m 4 m (a) 6 m 8 m k = 10 N/m (b) 5 m k = 10 N/m 30° (c)
Q: 15-137. If the chain is lowered at a constant speed v = 4 ft/s, determine the normal reaction…
A: Given Data: The length of the chain is L= 20 ft. The weight per unit length of the chain is ρ = 5…
Q: 15-51. The 10-Mg barge B supports a 2-Mg automobile A. If someone drives the automobile to the other…
A: Mass of Barge (mb) = 10Mg = 10 Million Grams = 10 x106 g = 10 X1000 Kg = 1000 Kg Mass of…
Q: 14-95. The cylinder has a mass of 20 kg and is released from rest when h = 0. Determine its speed…
A: Write the expression of the potential energy of the mass.
Q: of the smooth vertical slot. If the block starts from rest when The block has a ma kg and moves the…
A: Solution:- Given data :- k =100 N/mvB =2.5 m/ssB =0.15 m
Q: *14-8. A force of F = 250 N is applied to the end at B. Determine the speed of the 10-kg block when…
A: Free Body Diagram
Q: Determine the speed v of the 50-Mg mass when it is just over the top of the steel post, if after…
A: Given Data: The mass of load is M = 50 Mg. The length of the steel post is L= 1 m. The maximum…
Q: R14-3. The block has a weight of 1.5 lb and slides along the smooth chute AB. It is released from…
A:
Q: *14-44. An automobile having a mass of 2 Mg travels up a 7° slope at a constant speed of v = 100…
A: Given data: m=2 Mgv=100 km/hε=0.65 Need to determine the power developed by the car engine.
Q: 15-1. Determine the impulse of the force for t=2 s. k = 10 N/m -www 80 N
A: Given: The force acting on the block is F=800 N The spring constant of the spring is k=100 N/m The…
Q: R14-6. The 50-lb load is hoisted by the pulley system and motor M. If the motor exerts a constant…
A: Given Load = 50 lb Motor force = 30 lb Distance of lift = 10 ft Motor efficiency = 0.76 To find…
Q: R14-7. The collar of negligible size has a mass of 0.25 kg and is attached to a spring having an…
A: Sol:At position ASpring streatched length , xA = 400+200…
Q: The semicircular bar is smooth. The 0.13 m un-stretched length of the spring is 0.254 m. The 5-N…
A: Given data: The un-stretched length of the spring is l=0.254 m The velocity at the point A is vA=6…
Q: Specifically a dynamics problem. Question in pic below.
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Q: R14-5. The crate, having a weight of 50 lb, is hoisted by the pulley system and motor M. If the…
A: Given data: The weight of the crate is; w = 50 lb. The velocity of the crate at the height s = 10 ft…
Q: 14-50. Determine the power output of the draw-works motor M necessary to lift the 600-lb drill pipe…
A: Given: The weight of the drill pipe is W=600 lb. The velocity of the drill pipe is VP=4 ft/s.
Q: 15-111. A box having a weight of 8 lb is moving around in a circle of radius r4 = 2 ft with a speed…
A: To find: The speed of box at B and work done after pulling the rope from A to B. Given: The weight…
Q: 14-42. The jeep has a weight of 2500 lb and an engine which transmits a power of 100 hp to all the…
A: Given data as per the question weight of jeep = 2500 lb power to be transmitted = 100 hp velocity…
Q: P14-2. Determine the kinetic energy of the 10-kg block. 2 m/s 30° (a) 6 m/s 60 (b)
A: Given Data: The mass of the block is M = 10 kg. Part (a) The velocity of the block is V = 2 m/s.…
Q:
A: Mass of train car M=5000 kg velocity vi=4 m/s Maximum deflection in spring x=0.2 m
Q: R14-6. The 50-lb load is hoisted by the pulley system and motor M. If the motor exerts a constant…
A:
Q: R14–6. The 50-lb load is hoisted by the pulley system and motor M. If the motor exerts a constant…
A:
Q: Determine the acceleration of the system and the tension in each cable. The inclined plane is…
A: Given: The coefficient of friction = 0.2
Q: The 2 kg block is released from rest at A and slides down the smooth parabolic surface. Determine…
A: Write the given data with suitable variables.
Q: R14-6. The 50-lb load is hoisted by the pulley system and motor M. If the motor exerts a constant…
A: Load, W= 50 lb Constant force on the cable, T= 30 lb s= 10 ft starting from the rest (Given that the…
Q: 14-55. The elevator E and its freight have a total mass of 400 kg. Hoisting is provided by the motor…
A: Given Data: Total mass is M = 400 kg. Mass of block C is mc = 60 kg. Efficiency of motor is η =…
Q: Specifically a dynamics problem. Question and diagram in pic below.
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Q: Determine the speed v of the 50-Mg mass when it is just over the top of the steel post if, after…
A:
Q: 14-41. A 2-lb block rests on the smooth semicylindrical surface. An elastic cord having a stiffness…
A:
Q: 14-78. The spring has a stiffness k = 200 N/m and an unstretched length of 0.5 m. If it is attached…
A: Given data: The stiffness of the spring is k = 200 N/m. The unstretched length of the spring is LUS…
Q: 12-213. If the hydraulic cylinder H draws in rod BC at 2 ft/s, determine the speed of slider A. A Н…
A: Draw diagram of moving pulleys for better understanding Length of cable can be expressed as Time…
Q: 14-97. A pan of negligible mass is attached to two identical springs of stiffness k = 250 N/m. If a…
A: Given data k=250 N/mm=10 kgT=50 N
Q: Ball A weighs 1.962 N. If it is dropped on the inclined rigid surface (0-30), determine the rebound…
A: given data; weight(w)=1.962Nthen mass of ball(m)=wg=1.9629.81=0.2kginitial…
Q: Question in pic below. Specifically a dynamics problem.
A: Given data as per question Mass to be lifted = 300 lb Rate at which lifted = 5 ft/s Efficiency of…
Q: R14-5. The crate, having a weight of 50 lb, is hoisted by the pulley system and motor M. If the…
A:
Q: Q7-8 The roller-coaster car has a speed of 20 ft/s when it is at the crest of a vertical parabolic…
A:
Q: F14-11. If the 50-kg load A is hoisted by motor M so that the load has a constant velocity of 1.5…
A:
Q: nown system is f(t) = sin(wt) and the output is the displacement y(t), determine Y(s). %3D k Y(t) m…
A:
Q: 10 km/h в 20 km/h k - 3 MN/m Prob. 15–51
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Q: joule is needed to move the system a distance L=6.3 m.
A: Solution : Given data : V1 = 3 m/sA1 = 0.1 m2 A2 = 0.2 m2P1 = 200 kpa L = 6.3m we…
Q: Problem 14-70 Determine the smallest amount the spring at B must be compressed against the block…
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Q: This is a dynamics question. The answer is 481 mm.
A: The free body diagram of both the cars A and B is shown below:
Q: The rubber mallet is used to drive a cylindrical plug into the wood member. If the impact force…
A: Given data: F1=174 Nt1=0.003 st2=0.014 s Need to determine the magnitude of the linear impulse.
Q: 14-9. The “air spring" A is used to protect the support B and prevent damage to the conveyor-belt…
A: Given Data Mass of the block is: m=20 kg The height of the suspension is: h=0.4 m Assume that the…
Q: 300 kN/m- 500 kN/m-, - 30 m VA = 5 m/s A Prob. 14-29
A:
Q: abody was at rest, a force of 15N acted on it for 4 sec, and then that force stopped the body then…
A: Given that: Initially the body is in rest. A 15 N force acted on the body for first 4 s. After that…
Q: Question in pic below. Specifically a dynamics problem.
A: Given data as per question Maximum allowed deflection,d = 0.2 m Speed of the vehicle,v = 4 m/s Mass…
Q: -1.5 m 3 m/s k= 100 N/m B Prob. 14-76
A:
Q: *14-44. An automobile having a mass of 2 Mg travels up a 7° slope at a constant speed of v = 100…
A: given:mass of the car m=2mgangle θ=70velocity v=100km/h
Q: 15-47. The 30-Mg freight car A and 15-Mg freight car B are moving towards each other with the…
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- 14-29 The train car has a mass of 10 Mg and is traveling at 5 m/s when it reaches A. If the rolling resistance is 1/100 of the weight of the car, determine the compression of each spring when the car is momentarily brought to restSolve Prob. 10.54 assuming that A and B are connected by a spring of stiffness k = 0.3 W/b and free length b.The semicircular bar is smooth. The unstretched length of the spring is 0.250 m. The 6-N collarat A is given a downward velocity of 4 m/s, and when it reaches B the magnitude of its velocity is 12 m/s.Determine the spring constant k.
- A force of 10 kN is applied to the hook. If the CB cable is made of steel (E= 200 GPa) and has a diameter of 8.5 mm, determine its displacement. Consider the distance CB shown below as the initial length.The unstretched length of each of the two elastic rubber bands of the sling is 180 mm. Determine the maximum height a 30g stone will reach when fired vertically upwards if they are stretched and released as shown in the figure. The stiffness of both rubber bands is k= 80 N/m.The two springs are identical, withunstretched length 0.4 m. When the 150-kg mass issuspended at B, the length of each spring increases to0.6 m. What is the spring constant k?
- The rigid bar is supported by the two short white spruce wooden posts and a spring. If each of the posts has an unloaded length of 1 m and a cross-sectional area of 600 mm2, and the spring has a stiffness of k = 2 MN >m and an unstretched length of 1.02 m, determine the vertical displacement of A and B after the load is applied to the bar.The elevator E and its freight have a total mass of 400kg. Hoisting is provided by the motor M and the 150-kg block C. If the motor has an efficiency of ε =0.85, determine the power that must be supplied to themotor when the elevator is hoisted upwards at aconstant speed of VE = 4 m/s. Please show every single step of the process and the free body diagrams thanksDetermine the potential energy of the block that has a weight of 100 N.
- F14-1. The spring is placed between the wall and the 10-kg block. If the block is subjected to a force of F = 500 N, determine its velocity when s = 0.5 m. When s = 0, the block is at rest and the spring is uncompressed. The contact surface is smooth. S00N Prob. F14-1The 6-hp reducer motor can turn at 1200 rev>min. If the shaft has a diameter of 5 8 in., determine the maximum shear stress in the shaft.Determine the kinetic energies of the system given that the spring is originally compressed 15 cm and has a modulus of 876 N/m.