Two boxes, as shown below, are sliding along afloor after being given an initial speed u to theright. The coefficient of kinetic friction betweenthe bottom box and the floor is µfloor. Themaximum coefficient of static friction betweenthe boxes, box, is 0.28.2 m4 mDetermine the maximum value of floor thatwill allow the boxes to stop without the topbox slipping with respect to the bottom box.

Answered: Image /qna-images/answer/f864a6cc-0ead-4698-855b-9c9c70d88cdb.jpg

Two boxes, as shown below, are sliding along a floor after being given an initial speed v to the right. The coefficient of kinetic friction between the bottom box and the floor is floor. The maximum coefficient of static friction between the boxes, box, is 0.28. V 2 m 4 m Determine the maximum value of floor that will allow the boxes to stop without the top box slipping with respect to the bottom box.

Two boxes, as shown below, are sliding along a floor after being given an initial speed v to the right. The coefficient of kinetic friction between the bottom box and the floor is floor. The maximum coefficient of static friction between the boxes, box, is 0.28. V 2 m 4 m Determine the maximum value of floor that will allow the boxes to stop without the top box slipping with respect to the bottom box.

Glencoe Physics: Principles and Problems, Student Edition

1st Edition

ISBN:9780078807213

Author:Paul W. Zitzewitz

Publisher:Paul W. Zitzewitz

Chapter5: Displacement And Force In Two Dimensions

Section5.2: Friction

Problem 19PP

See similar textbooks

Similar questions

In the figure, the coefficient of kinetic friction between the surface and the blocks is k. If M=1.0kg , find an expression for the magnitude of the acceleration of either block (in terms of F , k , and g ).
Calculate the maximum acceleration of a car that is heading up a 4.00slope (one that makes an angle of 4.00with the horizontal) under the following road conditions. Assume that only half the weight of the car is supported by the two drive wheels and that the coefficient of static friction is involved—that is, the tires are not allowed to slip during the acceleration. (Ignore rolling.) (a) On wet concrete. (b) On wet concrete. (C) On ice, assuming that s=0.100 , the same as for shoes on ice.
Suppose the coefficient of static friction between a quarterand the back wall of a rocket car is 0.330. At what minimumrate would the car have to accelerate so that a quarter placedon the back wall would remain in place?
The 300-N block in the figure is at rest on the roughhorizontal plane before the force P is applied at t=0.The magnitude of P is 80t N, where t is the time inseconds, and its direction is constant. The coefficientsof static and kinetic friction are Ms = 0.40 and Mk0.20, respectively. Which of the following most nearlygives the time when the block starts to slide? Which of the following most nearly gives the value of× if the power developed by the force at a giveninstant is 0.20 hp?
With the coefficient of static friction between the floor of a truck and a box resting on given, if the truck has an initial velocity of Vi , what is the least distance in which the truck can stop if the box is never to slide?
Calculate the largest value of the static friction coefficient which the block slides before toppling.
The coefficient of kinetic friction betweenthe tires of your car and the roadway is m. (a) If your initial speed isv and you lock your tires during braking, how far do you skid? Giveyour answer in terms of v, m, and m, the mass of your car. (b) If youdouble your speed, what happens to the stopping distance? (c) Whatis the stopping distance for a truck with twice the mass of your car,assuming the same initial speed and coefficient of kinetic friction?
Two blocks A and B have a weight of 10 lb and 6 lb , respectively. They are resting on the incline for which the coefficients of static friction are uA = 0.15 and uB= 0.25. Determine the incline angle ?theta for which both blocks begin to slide. What is the friction force under each of the blocks when this occurs? The spring has a stiffness of k = 2lb lb/ft and is originally unstreched.
The coefficient of static friction between hard rubberand normal street pavement is about 0.90. On how steep a hill (max angle) can you leave a car parked?
While moving into your new place, you have to push a 25-kg box across the foor. You push on it with someforce at angle of 27◦ below your shoulder, as shown in the fgure. Assuming the coefcient of static frictionbetween the box and foor is 0.60, with what force do you need to push to just get the box moving? (Hint: itis safe to assume that the acceleration of the box is still zero at the instant it starts moving.)
Two blocks connected by a string are pulled across a horizontal surface by a force applied to one of the blocks, as shown. The coefficient of kinetic friction between the blocks and the surface is 0.25. If each block has an acceleration of 2.0 m/s2to the right, what is the magnitude F of the applied force?
A mass is given an initial velocity ?0 = 3.4 ?/? up a 15° incline. (a) If the coefficient ofkinetic friction between the mass and the incline is ?? = 0.26, how long before the masscomes to rest? (b) If the coefficient of static friction is ?? = 0.29, will the mass slideback down the incline?