The coefficient of kinetic friction between the block of mass m1=2.5kg and the plane if Figure below is 1/6. Find: a. The acceleration of the block b. The tension in the string my= 2.5 kg M2= 2.0 kg 16.3
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- A 60.0 cm, uniform, 50.0 Nshelf is supported horizontally by twov verticalwires attached to the slopingc ceiling(Fig. ). A very small 25.0 N tool is placed on the shelf midway between the points where the wires are attached to it. Find the tension in each wire. Begin by making a free-body diagram of the shelf.60 kg box is pulled up with cable. The friction coefficient of friction is 0.3.The box is going up at initial speed of 2 m/s and at t=0. The tensino of the cable is T=(200+100t^1/2) Newtons. Find sped at t=2 seconds. Vo = 2 m/s 40°A system comprised blocks, a light frictionless pulley, and connecting ropes is shown in the figure. The B block has a mass of 9.3 kg and is on a perfectly smooth horizontal table. The surfaces of the A block, which has a mass of 8.2 kg, are rough, with uk = 0.25 between the block and the table. If the C block with mass 9.9 kg accelerates downward when it is released, find its acceleration. A В C.
- 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 NA horizontal force is acting on a block moving on a rough horizontal surface. The force has the same magnitude ns the maximum fr rce of static frictica between the ' lock and the surfa e. If the coefficients of friction are Hs = %3D 0.75 and Hk = 0.50. Find the acceleration (in m/s?) of the block. 2.5 3.5 5.5 4.5 1.8In the following figure m = 20.0 kg and a622 The coetticient of kinetic friction betwoen the biock and the incline is a -0.40 (Eigure 1) Part A What must be the mass my of the hanging block ifit ia to descend 14.5 m in the tinst 3.00 s after the system is neleaned from rest? Express your anewer with the appropriate units. Figure t of 1 my Value Units Submit Bequest Aner Provide Feedback Next>
- THE STRING ATTACHED TO THE KITE WEIGHS 0.4 OZ/FT. IF THE TENSION IN THE STRING IS 2.8 LB AT O AND 3.2 LB AT B, DETERMINE THE LENGTH S OF THE STRING AND THE HEIGHT H OF THE KITE.Mez0,3 30° The loaded cradle has a weight of 600 N. A force of P 250 t acts on it. The slide stands still before the load P is applied. The kinetic coefficient of friction between the slide and the plane is the initial z 0.3. Calculate the speed of the slide 3 s after P is applied.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 1.850 kg block of wood rests on a steel desk. The coefficient of static friction between the block and the desk is us = 0.555 and the coefficient of kinetic friction is Hk 0.305. At time t = 0, a force F 6.19 N is applied 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. t = 0 6.19 N 1 > 0 6.19 Consider the same situation, but this time the external force F is 12.5 N. Again, state the force of friction acting on the block at times t = 0 and t > 0. 5.53 t > 0 5.53 t = 0 N IncorrectI 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 PMA 100 N box is in an impending motion down the plane when the angle of inclination of the plane is 39o. What is the coefficient of kinetic friction between the bow and the plane?