omega is equal to 100 In the following diagram, the mass of block A is Q kg and the mass of block B is1000 kg. A single cable, which runs horizontally between each block and thewall, goes around two frictionless pulleys at the wall. The plane where B and Cmeet is horizontal and P is a horizontal force.Coefficient of Static FrictionHSAB=0.4HSBC 0.3Coefficient of Kinetic FrictionMKAB=0.25HkBC=0.2A30°BCa) Draw the free body diagrams of Block A and Block B.b) Determine the force of P that must be exceeded to raise block A(impending motion case) and the tension in the cable.

Step 1:Step 2:Step 3:Step 4:Step 5:

Answered: In the following diagram, the mass of…

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)...

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A 1520-N crate is to be held in place on a ramp that rises at 30.0° above the horizontal (see figure). The massless rope attached to the crate makes a 22.0° angle above the surface of the ramp. The coefficients of friction between the crate and the surface of the ramp are uk = 0.450 and us = 0.650. The pulley has no appreciable mass or friction. What is the MAXIMUM weight w that can be used to hold this crate stationary on the ramp? w = ? Crate 22.0 Ramp 30,0
A 5.510 kg block of wood rests on a steel desk. The coefficient of static friction between the block and the desk is u, = 0.605 and the coefficient of kinetic friction is µk = 0.205. At time t = 0, a force F = 20.1 N is applied m horizontally to the block. State the force of friction applied to the block by Us,k the table at times t = 0 and t > 0. 32.67 11.07 t = 0 N t > 0 N Incorrect Incorrect Consider the same situation, but this time the external force F is 40.6 N. Again, state the force of friction acting on the block at times t = 0 and t > 0. t = 0 32.67 N t > 0 11.07 N
A block of weight w sits on a level surface. One end of the surface is slowly raised until the block is just about to move down the ramp. What is the coefficient of friction between the block and the ramp’s surface?
Mass mB = 25 kg is on a horizontal surface connected by a rope over a pulley to mass mA = 15 kg. Static friction keeps the blocks stationary. What is the minimum coefficient of static friction between mB and the table? Give your answer in the appropriate number of significant digits.
Zoologists have studied the mechanics of locust jumping. When a locust jumps, as depicted in the figure, the resultant force R exerted by the hind legs is the sum of two forces. The first force W acts directly downward to support the locust's weight, which is about 0.02 newton. The second force F is for the takeoff; its magnitude is about 0.29 newton, and the direction makes an angle of 55° with the horizontal. W 55° Find the magnitude of the resultant force R = F + W. (Use decimal notation. Give your answer to three decimal places.) magnitude of resultant force R: newton
A 10kg block resting on the flat frictionless plane is pushed by a force directed force of 20N 60deg S to E . What is the magnitude of normal force acting on the block?
A desperate hiker has to think fast to help his friend who has fallen below him. Quickly, he ties a rope to a rock of mA = 405 kg and makes his way over the ledge (see the figure below). If the coefficient of static friction between the rock and the ground is H=0.348, and the mass of the hiker is ma= 70.1 kg, what is the maximum mass of the friend, mc, that the rock can hold so the hikers can then make their way up over the ledge? Assume the rope is parallel to the ground and the point where the rope passes over the ledge is frictionless. (ANS: 70.8 kg)
A block of mass ?=7kgm=7kg is placed on a rough inclined surface making an angle of ?=32?θ=32o with the horizontal. A force of ?F parallel to the ground is applied to the block. Due to the applied force, the block moved a distance ?=6.8md=6.8m along the inclined surface with a constant speed. If the coefficient of kinetic friction between the inclined surface and the block is ??=0.34μk=0.34, what is the work done by the force of friction. Express your answer in units of N⋅mN⋅m using zero decimal places. Take ?=9.80m/s2g=9.80m/s2.
The coefficient of kinetic friction between a box and the floor is μk = 0.14 and the coefficient of static friction is μs = 2.0μk. Calculate the ratio of static to kinetic friction force if m = 8 kg.
Two blocks, A and B (with mass 50 kg and 100 kg, respectively), are connected by a cord, as shown in Figure. The pulley has a negligible mass. The coefficient of kinetic friction between block A and the incline is = 0.11. The bloc B is maintained at rest at a height of 4 m, and the angle of the incline is 37°. The support of bloc B is removed and B starts to go down. woCalculate the velocity of the bloc B as it hits the ground. 50 kg 377 100 kg
I 00LLJ408 - Go.. Question Info and Solutions Blocks A and B of mass 5 kg and 10 kg respectively are placed on a Smooth inclined plane of Inclination 30, as shown. Block A and B are subjected to forces 5 N And 50 N respectively along the incline, as shown. The coefficient of friction between A andBis 0.50 find the frictional force between A and B in N is: (g= 10 ms SOH 300 Options Solution Fs=Static frictional force umg cos 30 (0.5) (5) (10) cos 30 21.6 N Let a be the acceleration of both the blocks along 5.27 PM
A 25kg wooden plate is held in place by two strings attached to the ceiling and the wall. The string attached to the ceiling makes an angle 40o with the horizontal and the string attached to the wall makes 90o with the wall. Determine the force in each string.

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