14-23. The 8-kg block is moving with an initial speed of 5 m/s. If the coefficient of kinetic friction between the block and plane is µz = 0.25, determine the compression in the spring when the block momentarily stops. k = 200 N/m 2 m 5 m/s B. A
Q: R13-2. The motor M pulls in its attached rope with an acceleration q = 6 m/s². Determine the towing…
A: An external push or the pull act on the object due to which the state of the object can be changed…
Q: 14-93. The 10-kg sphere C is released from rest when 0 = 0° and the tension in the spring is 100 N.…
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Q: 14-69. The 5-kg collar has a velocity of 5 m/s to the right when it is at A. It then travels along…
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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: *13-96. The spring-held follower AB has a mass of 0.5 kg and moves back and forth as its end rolls…
A: The displacement function is Differentiate the above equation with time, Again, differentiate the…
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: 14-25. The 5-lb cylinder is falling from A with a speed VA = 10 ft/s onto the platform. Determine…
A: Given Data: The weight of the cylinder falling is W = 5 lb. The speed of the cylinder is vA = 10…
Q: OM
A:
Q: *14-96. If the 20-kg cylinder is released from rest at h = 0, determine the required stiffness k of…
A: Given :-mass of cylinder , m=20 kgh1=0 , h2=0.5 munstretched length=1mWrite the conservation of…
Q: 15-82. The 20-lb box slides on the surface for which Hk = 0.3. The box has a velocity v = 15 ft/s…
A: The weight of the box is W1=20 lb. The coefficient of kinetic friction is µk=0.3. The velocity of…
Q: 18-55. The slender 15-kg bar is initially at rest and standing in the vertical position when the…
A: The instantaneous center would be at point C and the final position when the end A strikes D will be…
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: 14-3. The crate, which has a mass of 100 kg, is subjected to the action of the two forces. If it is…
A: As per given question The crate, which has a mass of 100 kg, is subjected to the action of the two…
Q: 14-79. A 2-lb block rests on the smooth semicylindrical surface at A. An elastic cord having a…
A: Given data as per question Weight of the block = 2 lb Stiffness = 2 lb/ft Angle = 450
Q: 17-50. If the cart's mass is 30 kg, determine the horizontal force P that should be applied to the…
A: Given Data: The mass of the cart is: M=30 kg The mass of rod BC is: m=15 kg
Q: F14-1. The spring is placed between the wall and the 10-kg block. If the block is subjected to a…
A: The working and kinetic power principle (sometimes called the work-energy theorem) says that work…
Q: Specifically a dynamics problem. Question in pic below.
A:
Q: 14-74. The assembly consists of two blocks A and B which have a mass of 20 kg and 30 kg,…
A: Length of cable is constant so,
Q: 14-21. Determine the velocity of the 60-lb block A if the two blocks are released from rest and the…
A: Draw the free body diagram of the both blocks and apply static equilibrium conditions: Free body…
Q: 15-149. The car has a mass m, and is used to tow the smooth chain having a total length I and a mass…
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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: *14-28. The 10-1b box falls off the conveyor belt at 5-ft/s. If the coefficient of kinetic friction…
A: Given Data: The weight of box is W =10 lb. The velocity of box at A is vA = 5 ft/s. Coefficient of…
Q: 14-70. The ball has a weight of 15 lb and is fixed to a rod having a negligible mass. If it is…
A:
Q: 14-87. The block has a mass of 20 kg and is released from rest when s = 0.5 m. If the mass of the…
A: Given: kA=500 N/mkB=800 N/ms=0.5 m Spring force in A and B is given as…
Q: 15-43. The 20-g bullet is traveling at 400 m/s when it becomes embedded in the 2-kg stationary…
A:
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: 13-45. If the force exerted on cable AB by the motor is F = (1003/2) N, where t is in seconds,…
A: Given data as per the question Force =100t32Mass of crate =50 kg =50×9.81 =490.5 Ninitial velocity…
Q: *14-52. The 50-lb crate is given a speed of 10 ft/s in 1 = 4 s starting from rest. If the…
A: Given data W=50 lbV=10 ft/sect=2 secε=0.65
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: F14-3. If the motor exerts a force of F = (600 + 2²) N on the cable, determine the speed of the…
A: Answer :- Given parameters : Motor exerts force, F = (600 + 2s2) N Mass of Crate = 100 kg distance ,…
Q: 15-82. The 20-lb box slides on the surface for which Hk = 0.3. The box has a velocity v = 15 ft/s…
A:
Q: 15-5. The 60-lb hoisting block is operated by a motor M. Starting from rest, the supporting cable…
A: Write the expression of kinematic motion. v=u+at3=0+a5a=0.6 ft/s2
Q: Specifically a dynamics problem. Question in pic below.
A: Given: The mass of tank car, m = 20 Mg The velocity of tank in right direction, v = 0.75 m/s Concept…
Q: 15-141. The rope has a mass m' per unit length. If the end length y =h is draped off the edge of the…
A:
Q: 14-34. The spring bumper is used to arrest the motion of the 4-lb block, which is sliding toward it…
A: Given Data: The weight of the block is w = 4 lb. The velocity of the block is v = 9 ft/s. The…
Q: *18-36. The assembly consists of a 3-kg pulley A and 10-kg pulley B. If a 2-kg block is suspended…
A: Given Data mass of the pulley A is 3Kg Mass of the pulley B is 10 Kg Mass of the block is 2Kg
Q: Question in pic below. Specifically a dynamics problem.
A: Given data as per question Mass of cylinder = 5 lb Speed = 10 ft/s K of spring = 400 lb/ft…
Q: The 6-kg bar is released from rest while in the position shown and its end rollers travel in the…
A: Consider the parameter as shown in fig.
Q: 14-17. The collar has a mass M and is supported on the rod having a coefficient of kinetic friction…
A:
Q: 14-65. The block has a mass of 150 kg and rests on a surface for which the coefficients of static…
A: m = 150 kg μs = 0.5μk = 0.4F = 60 t2 N Free body Diagram of Block A is shown in figure,
Q: 18-22. If the 50-lb bucket, C, is released from rest, determine its velocity after it has fallen a…
A: The weight of the bucket is c=50 lb. The mass of windlass is 30 lb. The weight of each spoke is w=2…
Q: 10 km/h в 20 km/h k - 3 MN/m Prob. 15–51
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Q: 19-45. The 10-lb block is sliding on the smooth surface when the corner D hits a stop block S.…
A: Solution 1: Given data: Weight of block = 10 lb Draw the free body diagram of the block.
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: 0.4 m 0.4 m M
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Q: F14-1. The spring is placed between the wall and the 10-kg block. If the block is subjected to a…
A: Force acting in the x direction is k45-Fs=max Here Fs is the spring force and ax is the acceleration…
Q: -1.5 m 3 m/s k= 100 N/m B Prob. 14-76
A:
Q: Question in pic below. Specifically a dynamics problem.
A: Given data as per question Mass of the ball = 15 lb Length of the rod = 3 ft
Q: 13-85. The spring-held follower AB has a weight of 0.75 lb and moves back and forth as its end rolls…
A: Given: The weight of the follower AB = 0.75 lb The radius of roller , r = 0.2 ft z = 0.1sin2θ ft…
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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- The 600-lb cable spool is placed on a frictionless spindle that has been driven into the ground. If the force required to start the spool rotating is F = 160 lb, determine the coefficient of friction between the ground and the spool. Neglect the diameter of the spindle compared to the diameter of the spool.*13–16. The 75-kg man pushes on the 150-kg crate with a horizontal force F. If the coefficients of static and kinetic friction between the crate and the surface are µ, = 0.3 and Hi = 0.2, and the coefficient of static friction between the man's shoes and the surface is µ, = 0.8, show that the man is able to move the crate. What is the greatest acceleration the man can give the crate?The 8-kg block is moving with an initial speed of 5 m/s. If the coefficient ofkinetic friction between the block and plane is uk = 0.25, determine the maximum compressionin the spring when the block momentarily stops.
- The 69-lb crate slides down the curved path in the vertical plane. If the crate has a velocity of 6.1 ft/sec down the incline at A and a velocity of 32.3 ft/sec at B, compute the work Ufdone on the crate by friction during the motion from A to B. 6.1 ft/sec 28" B 32.3 ft/sec 46' Answer: Uf= i ft-lbA brake mechanism is used to lower body A with a constant velocity of 3.0 m/s. The coefficient of friction between the brake and drum D is 0.40. Neglect the weight of the brake. Determine the mass of body A and the power dissipated by the brake. (hint: the normal force between the brake the and disk is not 1200 N)The block weighs 80 pounds. A cable is connected to itsupper left corner and passes over a fixed post. Thecoefficients of friction are μB = 0.3 for the block and theground and μP = 0.2 for the post and the cable. Determinethe minimum force T that will cause the system to move(either tip or slide - you must show which happens first).Take a = 2.5’ and b = 6’.
- The double inclined plane supports two blocks A and B, each having a weight of 7 lb as shown below. If the coefficient of kinetic friction between the blocks and the plane is 0.09, determine the acceleration of each block.The crate, which has a mass of 140 kg, is subjected to the action of the three forces shown in the figure. If it is originally at rest, determine the friction force when Py =750 N, P, =900 N, P;=500Nand 6 = 259 Assume the coefficient of kinetic friction between the crate and the surface is pi = 0.40.4. The pipe has a mass of 600 kg and is being towed behind a truck. If the angle 0 = 30°, determine the acceleration of the truck and the tension in the cable. The coefficient of kinetic friction between the pipe and the ground is Hk = 0.1. B 45° Ge 0.4 m
- The 6-kg bar is released from rest while in the position shown and its end rollers travel in the vertical-plane slot shown. If the speed of roller A is 3.42 m/s as it passes point C, determine the work done by friction on the system over this portion of the motion. The bar has a length /=775 mm. %3D Assume 0 = 24°. C (B Answer: Ufriction i N-m1. If the 50-kg crate starts from rest and achieves a velocity of v = 4 m/s when it travels a distance of 5 m to the right, determine the magnitude of the force P acting on the crate. The coefficient of static friction between the crate and the ground is u. = 0.3 3014-1. The 20-kg crate is subjected to a force having a constant direction and a magnitude F = 100 N. When s = 15 m, the crate is moving to the right with a speed of 8 m/s. Determine its speed when s = 25 m. The coefficient of kinetic friction between the crate and the ground is µ, = 0.25. 30°