The frame is made from uniform rod which has a mass p per unit length. A smooth recessed slot constrains the small rollers at A and B to travel horizontally. Force P is applied to the frame through a cable attached to an adjustable collar C. Determine the magnitudes and directions of the normal forces which act on the rollers if (a) h = 0.24L, (b) h = 0.50L, and (c) h = 0.91L. The forces will be positive if up, negative if down. Evaluate your results for p = 1.8 kg /m, L = 575 mm, and P = 48 N. What is the acceleration of the frame in each case? Answers: (a) (b) L (c) h = 0.24L: h = 0.50L: h = 0.91L: L A = A = A = i i i Р N, N. = B N. = i i i ž" N, N,9 = Na i i m/s m/s m/s

The frame is made from uniform rod which has a mass p per unit length. A smooth recessed slot constrains the small rollers at A and B to travel horizontally. Force P is applied to the frame through a cable attached to an adjustable collar C. Determine the magnitudes and directions of the normal forces which act on the rollers if (a) h = 0.24L, (b) h = 0.50L, and (c) h = 0.91L. The forces will be positive if up, negative if down. Evaluate your results for p = 1.8 kg /m, L = 575 mm, and P = 48 N. What is the acceleration of the frame in each case? Answers: (a) (b) L (c) h = 0.24L: h = 0.50L: h = 0.91L: L A = A = A = i i i Р N, N. = B N. = i i i ž" N, N,9 = Na i i m/s m/s m/s

College Physics

11th Edition

ISBN:9781305952300

Author:Raymond A. Serway, Chris Vuille

Publisher:Raymond A. Serway, Chris Vuille

Chapter1: Units, Trigonometry. And Vectors

Section: Chapter Questions

Problem 1CQ: Estimate the order of magnitude of the length, in meters, of each of the following; (a) a mouse, (b)...

See similar textbooks

Similar questions

The 6.8-kg frame AC and 2.8-kg uniform slender bar AB of length lslide with negligible friction along the fixed horizontal rod under the action of the 75-N force. Calculate the tension Tin wire BC and the magnitude FA of the force exerted on the bar by the pin at A. The x-y plane is vertical. 75 N 52° 52 B Answers: T = ! N FA = ! N lle
Two cylindrical rods, AC made of aluminum and CD made of steel, are joined at C and restrained by rigid supports at A and D. It is given that E = 10.4 × 10³Ų, E = 29 x 10°, and P = 16 kips. NOTE: This is a multi-part question. Once an answer is submitted. you will be unable to return to this part. Determine the deflection of point C.
Question 1: The welded tubular frame is secured to the horizontal x-y plane by a ball and socket joint at A and receives support from the loose-fitting 3 m ring at B. Under the action of the 2kN load, rotation about a line from A to B 2.5 m. 4.5 m is prevented by the cable CD, and the frame is stable in the position shown. Neglect the weight of the frame compared with the applied load and determine the tension Tin the cable, the reaction at the ring, and the reaction 2 kN components support A. 6 m 2.5 m D '1 m
The uniform slender bar has an ideal roller at its upper end A. Determine the minimum value of the angle θ for which equilibrium is possible for μs = 0.25 in degrees.
overhead view of a rigid rod that turnsabout a vertical axle until the identical rubber stoppers A and B are forced against rigid walls at distances rA = 7.0 cm and rB = 4.0 cmfrom the axle. Initially the stoppers touch the walls without beingcompressed.Then force of magnitude 220 N is applied perpendicularto the rod at a distance R = 5.0 cm from the axle.Find the magnitudeof the force compressing (a) stopper Aand (b) stopper B.
For the stepladder shown in the figure, sides AC and CE are each 3.31 m long and hinged at C. Bar BD is a tie-rod 0.819 m long, halfway up. A man weighing 948 N climbs 2.48 m along the ladder. Assuming that the floor is frictionless and neglecting the mass of the ladder, fınd (a) the tension in the tie-rod and the magnitudes of the forces on the ladder from the floor at (b) A and (c) E. (Hint: Isolate parts of the ladder in applying the equilibrium conditions.) B E (a) Number i Units (b) Number i Units (c) Number i Units >
A sign is hung from the wall of a building using an angled beam and a support cable. The beam(mass = 1500kg, length = 8m) is bolted to the wall and angled up at 30◦above the horizontal. Themass-less support cable is attached to the beam 2m from its far end and makes an angle of 40◦betweenthe beam and the cable. The sign (mass = 125kg) attaches to the beam a half-meter from the far endand hangs straight down.a- What is the tension in the cable?b- How hard does the beam push inward on the wall?
In the figure, suppose the length L of the uniform bar is 3.3 m and its weight is 250 N. Also, let the block's weight W = 310 N and the angle 0 = 43°. The wire can withstand a maximum tension of 43O N. (a) What is the maximum possible distance x before the wire breaks? With the block placed at this maximum x, what are the (b) horizontal and (c) vertical components of the force on the bar from the hinge at A? com (a) Number i Units (b) Number Units (c) Number Units
A box with mass 178kg is supported by the cable system at B. Chord AB has a length of 1.2m and the force that develops in the chord is 3130N The horisontal distance between points A and C is 1.7m. Determine the force that develops in chord BC and the vertical height y and complete parts (a) and (b) below.
The system is released from rest with the spring initially stretched 4.5 in. Calculate the velocity v of the cylinder after it has dropped 1.5 in. The spring has a stiffness of 6.3 lb/in. Neglect the mass of the small pulley. k = 6.3 Ib/in 118 Ib Answer: v = ft/sec
A bar weighing 26.0 N is supported horizontally on each end by two hangingsprings, each 15.0 cm long, with spring constants 0.970 N/cm and 1.45 N/cm,respectively. The bar is 6.00 m long and has a center of mass 2.00 m from thespring with constant 0.970 N/cm. How far does each spring stretch?
Replace the loading system by an equivalent resultant force and a couple moment acting at point OO. Assume F1= 150 N , F2= 210 N and Mc= 85 N⋅m. .