F,+y55.0°54.0 N F22. Fig. shows a 25.0-kg crate that is initially at rest. Note that the view is one looking downon the top of the crate. Two forces, F1 and F2, are applied to the crate, and it begins to move.The coefficient of kinetic friction between the crate and the floor is uk= 0.350. Determinethe:(a) magnitude of the acceleration of the crate,(b) direction (relative to the x axis) of the acceleration of the crate.88.0 N

The force acting on the block is Fo=F1x+F2+Fy2=88cos55+542+88sin552=126.9 N All forces acting on the…

Answered: F, +y 55.0° 54.0 N F2 2. Fig. shows a…

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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The 554-kg block E is supported by two light parallel links, where = 0.37 m. At what angle (in degrees) should block E be released from rest in order to strike the object F with a speed of v = 1.68 m/s? Object F is struck when = 31.9. Friction is negligible. Choose the correct answer. 73.2 56.5 63.2 66.5 76.5
Dynamic System Modeling - Consider the system below, with mass m = 2 kg, b = 4 N.s/m and k= 20 N/m.Knowing that x(0) = 0 m and x’(0) = 0 m/s, what is the position of the mass after 2 s, knowing that the mass isabruptly releases from rest (where the spring is not deformed).
A hanging mass, M1 = 0.5 kg, is attached by a light string that runs over a frictionless pulley to a mass M2 = 1.5 kg that is initially at rest on a frictionless ramp. The ramp is at an angle of θ = 30.0° above the horizontal and the pulley is at the top of the ramp. Find the magnitude and direction of the acceleration of M1. a. 4.905 m/s2 , upward c. 4.905 m/s2 , upward b. 4.805 m/s2 , downward d. 4.805 m/s2 , downward
A block of mass m1 = 3.60 kg on a frictionless inclined plane of angle 30.0° is connected by a cord over a massless, frictionless pulley to a second block of mass m2 = 2.00 kg hanging vertically. (a) What is the magnitude of the acceleration of each block? m1 = m/s2 m2 = m/s2 (b) What is the direction of the acceleration of m2? m2 accelerates downwardsnot enough information m2 accelerates upwards (c) What is the magnitude of the tension in the cord? N
Please answer this NEATLY, COMPLETELY, and CORRECTLY for an UPVOTE. Block D, initially at rest, having a W = 30 lbf , is supported within the system shown, with x = 13.2 ft. Neglecting the mass of the pulley and the cord on the system, determine the eventual height h after a force P = 60 lbf is applied to make the block rise by ∆sD = 0.625 ft at t = 2.5 s. NOTE: Use Force-Mass-Acceleration (FMA) Method.
22 A 1800-kg truck travels at 85kph around a banked curve with a radius of 250 m. What should be the super-elevation so that the tire friction is equal in magnitude to superel-evation? A. 0.114 B. 0.295 C. 0.227 D. 0.382 E. None of the above
To use the principle of work and energy to determine characteristics of a system of particles, including final velocities and positions. The two blocks shown have masses of mA = 56 kg and mB = 74 kg . The coefficient of kinetic friction between block A and the inclined plane is μk = 0.15 . The angle of the inclined plane is given by θ = 40 ∘ . Neglect the weight of the rope and pulley. Determine the magnitude of the normal force acting on block A, NA If both blocks are released from rest, determine the velocity of block B when it has moved through a distance of s = 2.00 m. If both blocks are released from rest, determine how far block A has moved up the incline when the velocity of block B is (vB)2 = 6.25 m/s.
consider the mass and pulley system in the attached file. mass m1 = 29 kg and mass m2 = 12kg. the angle of the inclined plane is given and the coefficient of kinetic friction between mass m2 and the inclined plane is uk = 0.12. assume the pulleys are massless and frictionless if the system is released from rest, what is the speed of mass m2 after 2.5 s? v(2.5 s) = ?
A small 200-g collar C can slide on a semicircular rod that is made to rotate about the vertical AB at the constant rate of 6 rad/s. Determine the minimum required value of the coefficient of static friction between the collar and the rod if the collar is not to slide when (a) 0= 90°, (b) 0= 75°, (c) 0= 45°. Indicate in each case the direction of the impending motion.
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A block of mass 20 kg is released from rest at the top of a ramp as shown in Figure 4. Thecoeficient of kinetic friction between block and ramp is μk = 0.25. When the block reaches thebottom ramp, it slides onto a belt moving to the right at constant speed, vc = 5 m/s. The kineticfriction coeficient between the block and belt is μk = 0.2. Determine the distance, d that theblock slides along the belt before the block’s velocity matches the velocity of the belt.

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