4. The chain is released from rest with the length b of overhanging links justsufficient to initiate motion(I) Neglect any friction and determine the velocity and acceleration of the chainwhen the last link leaves the edge.(2) For coefficient of friction between the links and the horizontal surface haveessentially the same value μ, determine the velocity and acceleration of the chainwhen the last link leaves the edge.3 Derive the equation in calculating the time from rest to leaving the table in forboth cases (with friction and no friction)L-b.μb

The objective of the question is to determine the velocity and acceleration of a chain when the last…

Answered: 4. The chain is released from rest with…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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(a) Two blocks are joined by an inextensible cable as shown in Figure. If the system is released from rest, determine the velocity of block A after it has moved 2 m by using the data given. Assume that the coefficient of kinetic friction between block A and the plane is ?k = 0.25 and that the pulley is weightless and frictionless.
In the system shown, a spring is compressed and pushes a mass of 50Kg down the path shown with two different slopes. If the spring has a constant of 25 kN / m, what would have to be the deflection of the spring for the block to reach the limit at 2 m / s? The coefficient of kinetic friction is 0.15 and assume that starting from rest to make the ideal system
Show the complete solution. Put notes on steps. In the system shown, a 150 N collar-pulley assembly slides on a horizontal shaft with coefficient of kinetic friction pk = 0.10 between the collar and the shaft, and is acted upon by a force P with a magnitude of P = 261.65 N at an angle e = 31.16° as shown. Knowing that the assembly is initially at rest, what is the velocity after 3s? Also, at this instant, find the tension in the cord and the velocity of block A.
A sled weighing 100 lb reaches the foot of a hill with a speed of 40 ft/s. The coefficient of kinetic friction between the sled and the horizontal surface of the ice at the foot of the hill is 0.03. Determine the force exerted by the sled.
As indicated in the illustration, two blocks are connected by an inextensible cable. Block A weighs 178.6 kg, while B weighs 252 kg. If the system is released from rest, calculate the acceleration (in m/s2) of block B. For simplicity, let us suppose that the coefficient of friction between block A and the plane is μk = 0.24 and that the pulley is both weightless and frictionless. Make use of the formula g = 9.81 m/s2.
15 kg boxes are being transported around a curve via a conveyor belt as shown to the right. Assuming the curve has a radius of 3 meters and the boxes are traveling at a constant speed of 1 meter per second, what is the minimum required coefficient of friction needed to ensure the boxes don’t slip as they travel around the curve?
a 3.0 kg block start from rest at the top of a 30 incline and slides 2.0 m down the incline in 1.5seconds. determine determine the magnitude of the accaleration of the block. the coefficient of kinetic friction between the block and the plane. the frictional force acting on the block the speed of the block after it slides 2.0 m.
A car of mass 700 kg travels round a horizontal curve of 60 m radius. The centre of gravity of the car is 1.25 m above the ground and the distance between the wheels is 1.7 m. If the limiting coefficient of friction between the tyres and the road is 0.6 determine, with reason, whether the vehicle will skid or overturn when rounding the bend at speed. Hence state the maximum permissible speed to navigate the curve safely.
A constant force P = 750 N acts on the body shown in figure during only the first 6m of its motion starting from rest. If coefficient of friction is 0.2, find the velocity of the body after it has moved a total distance of 9m.
A carnival ride is designed to allow the general public to experience high acceleration motion. The ride rotates about Point O in a horizontal circle such that the rider has a speed v0. The rider reclines on a platform A. The platform and the riders (80 kg total) can move up and down the inclined wall as the speed of the ride increases. The coefficient of static friction between the wall and the platform is 0.29.Determine the range of values of the constant speed v0 for which the platform will remain in the position shown.
During braking, a truck has a steady deceleration of 7.0 m/s². A box sits on the platform of this truck. The box begins to slide when the braking begins and, after sliding a distance of 2.0 m (relative to the truck), it hits the front of the truck. With what speed (relative to the truck) does the box hit? The coefficient of kinetic friction for the box is μk=0.50.
The system is released from rest in the position shown.Cylinder B falls through the hole in the bracket, but ring C (shown in section) separates from the cylinder when it hits the bracket.The coefficient of kinetic friction between block A and the inclined ramp is μk = 0.2, and the mass of the pulley is negligible.(a) Determine the speed of block A at the moment ring C strikes the support. Express the answer in m/s. Consider the following values:mA = 48kgmB = 12kgmC = 15kgθ = 31°h = 1.2m

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