Question 4 Two blocks are joined by an inextensible cable as shown. The mass of block A is 192.7 kg and the mass of block B is 291.4 kg. If the system is released from rest, determine the acceleration (in m/s²) of block B. Assume that the coefficient of friction between block A and the plane is uk = 0.23 and that the pulley is weightless and frictionless. Round off only on the final answer expressed in 3 decimal places. Use g = 9.81 m/s² A Add your answer 10 Point B

Question 4 Two blocks are joined by an inextensible cable as shown. The mass of block A is 192.7 kg and the mass of block B is 291.4 kg. If the system is released from rest, determine the acceleration (in m/s²) of block B. Assume that the coefficient of friction between block A and the plane is uk = 0.23 and that the pulley is weightless and frictionless. Round off only on the final answer expressed in 3 decimal places. Use g = 9.81 m/s² A Add your answer 10 Point B

International Edition---engineering Mechanics: Statics, 4th Edition

4th Edition

ISBN:9781305501607

Author:Andrew Pytel And Jaan Kiusalaas

Publisher:Andrew Pytel And Jaan Kiusalaas

Chapter7: Dry Friction

Section: Chapter Questions

Problem 7.79P: The coefficient of rolling resistance between the 30-kg lawn roller and the ground is r=0.1. (a)...

See similar textbooks

Similar questions

The coefficient of rolling resistance between the 30-kg lawn roller and the ground is r=0.1. (a) Determine the force P required to pull the roller at a constant speed. (b) What force P would be needed to push the roller at a constant speed?
The system is released from rest in the position shown.Cylinder B falls through the hole in the bracket, but ring C (shown in section) separates from the cylinder when it hits the bracket.The coefficient of kinetic friction between block A and the inclined ramp is μk = 0.2, and the mass of the pulley is negligible.(a) Determine the speed of block A at the moment ring C strikes the support. Express the answer in m/s. Consider the following values:mA = 48kgmB = 12kgmC = 15kgθ = 31°h = 1.2m
The lower block of mass m2 = 3.2 kg is pulled on by a rope with a tension force of 28 N. The upper block has mass m1 = 1.8 kg. The coefficient of kinetic friction between the lower block and the surface is 0.32. The coefficient of kinetic friction between the lower block and the upper block is also 0.32. What is the acceleration of the 3.2 kg block?
In the system shown two blocks A and B are joined by anegligible ground cable passing through a fixed pulley that does notbroken. Block A has a mass of 45 kg and the coefficients ofstatic friction are 0.40 between rope and pulley and 0.30 betweenblocks and inclined planes. Determine: a) The maximum mass of block B that will cause theblock A slides down.b) The minimum mass of block B that will cause block A to slide up.c) Explain the condition of the system if the mass of block B were 80 kg.
A system of blocks is pulled by a force P. The string connecting blocks A and B passes over apulley whose coefficient of friction between string and pulley is 0.25. The coefficient of frictionbetween surface and blocks is 0.20. Block A weighs 200N and block B weighs 300N. Determine,a. the minimum value of P for impending motion to the right.b. the tension connecting block B.
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.
The conveyor belt shown in (Figure 1) delivers each 12-kg crate to the ramp at A such that the crate's speed is vAvA = 2.5 m/s, directed down along the ramp. The coefficient of kinetic friction between each crate and the ramp is μk = 0.27. Determine the smallest incline θ of the ramp so that the crates will slide off and fall into the cart.
Two blocks are joined by an inextensible cable as shown. The mass of block A is 192.4 kg and the mass of block B is 260.3 kg. If the system is released from rest, determine the acceleration (in m/s2 ) of block B. Assume that the coefficient of friction between block A and the plane is μk = 0.22 and that the pulley is weightless and frictionless. Round off only on the final answer expressed in 3 decimal places. Use g = 9.81 m/s2
Determine the maximum acceleration of a train in which a box lying on its floor will remain stationary, given that the coefficient of static friction between the box and the train floor is 0.16
By using a forked rod, a smooth cylinder C having a mass of 0.5 kg is forced to move along the vertical slotted path (r = 0.4 θ) m, where θ is in radians. If the angular position of the arm is θ = (0.3 t3 ) rad, where t is in seconds. The cylinder is in contact with only one edge of the rod and slot at any instant. Find "the force of the rod on the cylinder at the instant t=2s" Find "the normal force of the slot at the instant t=2s" Find the "radius of curvature at t=2s" Find the "ψ angle at t=2s"
Two bodies of weight 20 N and 10 N are connected to the two ends of a light inextensible string, passing over a smooth pulley. The weight of 20 N is placed on a horizontal surface while the weight of 10 N is hanging free in air. The horizontal surface is a rough one, having coefficient of friction between the weight 20 N and the plane surface equal to 0.3, determine. 1. the acceleration of the system. 2. the tension in the string. Tension of String (N)=______ Acceleration (m/s²)=______
a 7.4 lb block has a speed of v-2.4 ft/s to the left when the force of F=3.6t^3 lb is applied to the right. determine the velocity and position of the block when t= 0.2 seconds. the coefficient of friction at the surface is uk= 0.2. provide both a free body diagram and a kinetic diagram. the force is being applied in the opposite direction to the velocity of the block.