The slotted arm OA rotates about a horizontal axis through point O. The 0.30-kg slider P moves with negligible friction in the slot and is controlled by the inextensible cable BP. For the instant under consideration, 0 = 20°, w = 0 = 5.5 rad/s, 0 = 0, and r = 0.60 m. Determine the corresponding values of the tension T in cable BP and the force reaction R perpendicular to the slot. The force R is positive if the contact comes from the lower edge of the slot and negative if the contact comes from the top edge. T= @ R= r = 0.60 m Answers: 0.40 m- i i B P N N

The slotted arm OA rotates about a horizontal axis through point O. The 0.30-kg slider P moves with negligible friction in the slot and is controlled by the inextensible cable BP. For the instant under consideration, 0 = 20°, w = 0 = 5.5 rad/s, 0 = 0, and r = 0.60 m. Determine the corresponding values of the tension T in cable BP and the force reaction R perpendicular to the slot. The force R is positive if the contact comes from the lower edge of the slot and negative if the contact comes from the top edge. T= @ R= r = 0.60 m Answers: 0.40 m- i i B P N N

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

The slider of mass m is released from rest in position A and slides without friction along the vertical‐plane guide shown. Determine the height h such that the normal force exerted by the guide on the slider is zero as the slider passes point C. For this value of h, determine the normal force as the slider passes point B.
The collar of mass m is released from rest while in position A and subsequently travels with neg- ligible friction along the vertical-plane circular guide. Determine the normal force (magnitude and direction) exerted by the guide on the collar (a) just before the collar passes point B, (b) just after the collar passes point B (i.e., the collar is now on the curved portion of the guide), (c) as the collar passes point C, and (d) just before the collar passes point D. Use the values m = 0.4 kg, R = 1.2 m, and k = 200 N/m. The unstretched length of the spring is 0.8R.
The collar of mass m is released from rest while in position A and subsequently travels with negligible friction along the vertical-plane circular guide. Determine the magnitude of the normal force exerted by the guide on the collar (a) just before the collar passes point B, (b) just after the collar passes point B (i.e., the collar is now on the curved portion of the guide), (c) as the collar passes point C, and (d) just before the collar passes point D. Use the values m = 0.5 kg, R = 1.0 m, and k = 290 N/m. The unstretched length of the spring is 0.70R.
Q2: The 0.5-kg cylinder A is released from rest from the position shown and drops the distance h; = 0.8 m. It then collides with the 0.4-kg block B; the coeffi- cient of restitution is e = 0.8. Determine the maxi- mum downward displacement ks of block B. Negleet all friction and assume that block B is ini- tially held in place by a hidden mechanism until the collision begins. The two springs of modulus % = 400 N/m are initially unstretched, and the dis- tanced = 1.0m.
Determine the time required that the elevator travels at any instant at a distance of 8 meters. The weight of the elevator is 10,000 N moving downward from rest until its velocity is 15 m / sec. (sec.) 2. In Problem 1, determine the force exerted in the cable to support the elevator. (kN)
The 4,450kg truck is traveling at 30.50m/s when the brakes on all its wheels are applied, causing it to skid for a distance of 22m before coming to rest. Calculate the constant horizontal force developed in the coupling C, as well as the frictional force developed between the tires of the truck and the road during this time. The combined mass of the boat and trailer is 2,250kg
The simple pendulum A of mass ma = 3.9 kg and length I = 1.51 m is suspended from the trolley B of mass me = 7.9 kg. If the system isreleased from rest at 0 = 0, determine the velocity g (positive if to the right, negative if to the left) of the trolley when 0 = 90° Friction is negligible.
A spring is such that a 2-lb weight it would be stretched 4 in. The 2-lb weight is started from the equilibrium point with a downward velocity of 12 ft /sec. If air resistance furnishes a retarding force of magnitude 0.02 of the velocity, determine the motion. .
The 110-lb boy at A is suspended from the cable that passes over the quarter circular cliff rock. What horizontal force must the woman at A exert on the cable in order to let the boy descend at constant velocity? The coefficients of static and kinetic friction between the cable and the rock are μs=0.4 and μk=0.35, respectively.
Situation 02. A crate has a mass of 120kg and the coefficient of static and kinetic friction is 0.60 and 0.50, respectively. The crate starts from rest and the motor exerts a tension T= 1220 + 200t (N). If the elevation of the dock is 30 degrees from the horizontal, What is the velocity of the crate after 1sec? b. Compute the power transmitted after 1sec. COMPLETE SOLUTION OF IMPULSE AND MOMENTUM
The slotted arm OA rotates about a fixed axis through O. At the instant under consideration, θθ = 34°, θ˙θ˙ = 43 deg/s, and θ¨θ¨ = 10 deg/s2. Determine the magnited of the force F applied by arm OA and the magnitude of the force N applied by the sides of the slot to the 0.3-kg slider B. Neglect all friction, and let L = 0.88 m. The motion occurs in a vertical plane.
Ball B is suspended from a cord of length l attached to acart A, which can roll freely on a frictionless, horizontal track.The ball and the cart have the same mass m . If the ballis given an initial horizontal velocity Vo while the cart is atrest, describe the subsequent motion of the system, specifying thevelocities of A and B for the following successive values of theangle θ (assume positive counterclockwise) that the cord willform with the vertical: (a) θ = θmax (b) θ = 0 (c) θ = θmin