A block of mass m = 4.00 kg and a block of mass m2 = 6.00 kg are connected by a massless string over a pulley in the shape of a solid disk having radius R = 0.250 m and mass M = 5.0 kg. These blocks are allowed to move on a fixed block-wedge of angle 0 = 30.00 as in figure. The coefficient of kinetic friction is 0.250 for both blocks. Determine %3D %3D the acceleration of the two blocks. (g = 9.80 m/s²,I = ÷MR²) %3D %3D

A block of mass m = 4.00 kg and a block of mass m2 = 6.00 kg are connected by a massless string over a pulley in the shape of a solid disk having radius R = 0.250 m and mass M = 5.0 kg. These blocks are allowed to move on a fixed block-wedge of angle 0 = 30.00 as in figure. The coefficient of kinetic friction is 0.250 for both blocks. Determine %3D %3D the acceleration of the two blocks. (g = 9.80 m/s²,I = ÷MR²) %3D %3D

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

See similar textbooks

Similar questions

....An electric motor drives a compressor by use of V-belt. The angle of contact on the smaller pulley is 2.89 rad and the belt speed runs at 29.36 m/s. The groove angle of the pulleys is 35°. Determine the tension in the slack side of the belt in N if the belt has a cross-sectional area of 366 mm2, density 1000 kg/m3, and an allowable tensile stress of 2.3 MPa. The coefficient of friction between the belt and the pulley is 0.3
A rotating drum is braked by a flat belt attached to the lever ABC, hinge at B as shown in Figure. Determine the braking moment exerted by a vertical weight of 150 N. Take AB = 35 cm, BC = 65 cm and coefficient of friction between the belt and drum surface is 0.43. The radius of the drum is 0.2 m OPTIONS: 1.About 35 N-m 2.None 3.About 40 N-m 4.About 50 N-m 5.About 30 N-m 6.About 45 N-m
3. A mobile is constructed of light rods, light strings, and beach souvenirs as shown in the figure below. If m4 = 12.0 g, find values (in g) for the following. (Let d1 = 4.50 cm, d2 = 6.10 cm, d3 = 2.40 cm, d4 = 4.40 cm, d5 = 2.90 cm, and d6 = 3.50 cm.) 4. One end of a uniform 3.70-m-long rod of weight Fg is supported by a cable at an angle of ? = 37° with the rod. The other end rests against the wall, where it is held by friction as shown in the figure below. The coefficient of static friction between the wall and the rod is μs = 0.495. Determine the minimum distance x from point A at which an additional object, also with the same weight Fg, can be hung without causing the rod to slip at point A.
PROBLEM The diameter of two pulleys are (0.3m)and (0.2m), center distance (1m).if we use open belt drive. Determine: 1- the length of V-belt (2ß = 60°). 2- the contact angle between belt and smaller pulley. 3- the horse power, if the smaller pulley turn with speed (400r.p.m) and the tension force in tight side (T1=900N), coefficient of friction ų=0.3 4- the speed of large pulley.
A motor is attached to a pulley of radius 10 cm and mass 1 kg. A belt passes through the pulley that connects to a hollow sphere with a radius of 40 cm and a mass of 2 kg (see figure below). If the final speed of the first round, the angular speed of the SPHERE is 3πrad/s:a) What is the final energy consumption of the motor? b) If the torque is constant, what is the magnitude of the motor's torque? that there is no friction in the axes of the sphere and that all energy consumed by the motor is transformed into work.
An 8 ?? box resting on a horizontal, frictionless surface is attached to a 2 ?? weight by a thin, light wire that passes over a frictionless pulley. The pulley has the shape of a uniform solid disk of mass 2 ?? and diameter 0.6 ?. After the system is released, find (a) the tension in the wire on both sides of the pulley, (b) acceleration of the box, (c) horizontal and vertical components of the force that the axle exerts on the pulley.
A block of mass M1 resting on an inclined plane is connected by a string and pulleys to another block of mass M2 as shown in Fig. Find the tension in the string and acceleration of the blocks. Assume the coefficient of friction between the blocks M1 and the plane to be 0.2. M1=1500N , M2=1000N . Angle of inclined glane = 45 degrees
The ladder in the figure rests on a horizontal surface (point A) and a vertical wall (point B). The coefficient of static friction between the ladder and the horizontal surface is ??, while the friction of the ladder with the vertical wall is negligible. Assuming that the center of gravity of the ladder is at half its length, determine the minimum value of ??, to ensure that the ladder remains at rest.
A 50.0 kg grindstone is a solid disk 0.530 m in diameter. You press an ax down on the rim with a normal force of F = 160 N. The coefficient of kinetic friction between the blade and the stone is 0.60, and there is a constant friction torque of 6.50 N⋅m between the axle of the stone and its bearings. a) How much force must be applied tangentially at the end of a crank handle 0.500 m long to bring the stone from rest to 120 rev/min in 7.00 s? b) After the grindstone attains an angular speed of 120 rev/min, what tangential force at the end of the handle is needed to maintain a constant angular speed of 120 rev/min? c) How much time does it take the grindstone to come from 120 rev/min to rest if it is acted on by the axle friction alone?
A uniform ladder is L=5.0m long and weighs 400.0 N. The ladder rests against a slippery vertical wall, as shown. The inclination angle between the ladder and the rough floor is β=53°.Find the normal forces from the floor and from the wall on the ladder and the coefficient of static friction μs at theinterface of the ladder with the floor thatprevents the ladder from slipping
Under non-uniform and slippery road conditions, two forces (u and w), shown in the figure (image 1), are performed on the truck's rear wheels, which have a limited slip rear differential. Choose the alternatives that are true: (data: u = 92lbf and w =57lbf) (obs1.0: 1''= 1 in = 25,4mm) (obs2.0: 1lbf = 4,448N) a) the force vector resulting from the two forces is -149i [lbf] b) the resultant of the two forces has an intensity equal to 149lbf c) the ordinate of the point of intersection of the line of action of the resultant of this system of forces with the y axis is 7.05in d) adopting the counterclockwise direction as positive, the total moment of the two forces in relation to point g is equal to -1050lbf.in e) the total moment vector in relation to the G point is equal to -1050i [lbf.in]
An inclined plane at an angle of 15o is used to lift a 250 kg sofa through a vertical height of 5 meters. If the coefficient of kinetic friction is 0.12, what is the Mechanical Advantage, Ideal Mechanical Advantage, and efficiency of the plane?