answer in letter a is 426.25Nanswer in letter b) is 147.5Nanswer in letter c) is 127.8NJUST ANSWER LETTER D AND E PLEASE PROBLEM: Block A weighs 500 N and block B weighs 280 N. Block A is held by a cordfastened to the wall. Force P is applied on B to drag it to the left at constant speed. Thecoefficient of friction between A and B is 0.30 and that between B and the floor is 0.32. Findthe following (a) the nomal force exerted by B on A, FNA (b) the tension in the cord attachedto A, I (c) the frictional force exerted by B on A, fa (d) the force applied on B, P (e) thefrictional force exerted by the ground on B, fg-60°A20°B

Answered: Image /qna-images/answer/13130438-62e8-4876-8ed9-1f936e0da84c.jpg

PROBLEM: Block A weighs 500 N and block B weighs 280 N. Block A is held by fastened to the wall. Force P is applied on B to drag it to the left at constant spe coefficient of friction between A and B is 0.30 and that between B and the floor is 0.3 the following (a) the nomal force exerted by B on 4, FNA (b) the tension in the cord a to A, I (c) the frictional force exerted by B on A, fa (d) the force applied on B, P frictional force exerted by the ground on B, fg- 60° A 20° B

PROBLEM: Block A weighs 500 N and block B weighs 280 N. Block A is held by fastened to the wall. Force P is applied on B to drag it to the left at constant spe coefficient of friction between A and B is 0.30 and that between B and the floor is 0.3 the following (a) the nomal force exerted by B on 4, FNA (b) the tension in the cord a to A, I (c) the frictional force exerted by B on A, fa (d) the force applied on B, P frictional force exerted by the ground on B, fg- 60° A 20° B

University Physics Volume 1

18th Edition

ISBN:9781938168277

Author:William Moebs, Samuel J. Ling, Jeff Sanny

Publisher:William Moebs, Samuel J. Ling, Jeff Sanny

Chapter6: Applications Of Newton's Laws

Section: Chapter Questions

Problem 40P: A service elevator takes a load of garbage, mass 10.0 kg, from a floor of a skyscraper under...

See similar textbooks

Similar questions

A service elevator takes a load of garbage, mass 10.0 kg, from a floor of a skyscraper under construction, down to ground level, accelerating downward at a rate of 1.2m/s2 . Find the magnitude of the force the garbage exerts on the floor of the service elevator?
Two blocks, of masses m1=300g and m2=500g, are pushed by a force P. The coefficient of friction between each block and the table is 0.4. a. What must be the value of P? If the blocks are to have an acceleration of 200cm/s^2 b. How large a force m1 and then exert of m2?
A weight W is dragged along the ground by a force P. Ifthe coefficient of friction is C. find the direction of P forminimum P.
A block of mass 55.0 kg res IS on a slope having an angle of elevation of25.o0 , If pushing downhill on the block with a force just exceeding 187 Nand parallel to the slope is sufficient to cause the block to start moving, find the coefficient of static friction.
Shown below is a 10.0 kg block being pushed by a horizontal force F of magnitude 221.0 N. The coefficient of kinetic friction between the two surfaces is 0.60. Find the acceleration of the block. (Enter the magnitude in m/s^2.)________ m/s^2
A painting with a mass of 20 kg is suspended by two wires from a ceiling. If the wires make angles of 300 and 450 with the ceiling, find the tension in each wire.
Consider the three forces acting on the box. F1= 20.0N at an angle θ1= 45° measured from the horizontal F2= 5.00 N at an angle θ2= 60° and the weight W= 15.0 N, pulling directly down in the y- direction. What is the net force acting on a box?
A force F is applied to a block to move it up a θ = 27° inclined frictionless surface. If F = 72 Newton, and M =4.2 kg, what is the magnitude of the acceleration of the block?
The coefficient of static friction between block A and a horizontal floor is 0.470, and the coefficient of static friction between block B and the floor is 0.300. The mass of each block is 2.00 kg, and they are connected together by a cord. If the horizonta force F pulling on block B slowly increased, in a direction parallel to the connecting cord, until the blocks start sliding, what is the magnitude of F at the instant that they start to slide?
A barge is pulled by two tugboats. If the resultant force exerted by the tugboats is 5kN force directed along the x-axis of the barge, determine the tensions in each of the rope knowing that a=45 degrees.
A student, crazed by final exams, uses a force of magnitude 80 N and angle u =70 to push a 5.0 kg block across the ceiling of his room ). If the coefficient of kinetic friction between the block and the ceiling is 0.40, what is the magnitude of the block’s acceleration?
the coefficient of static friction between block A and a horizontal floor is 0.320, and the coefficient of static friction between block B and the floor is 0.300. The mass of each block is 2.00kg,and they are connected together by a cord. If a horizontal force F pulling on block B is slowly increased ,in a direction parallel to the connectin cord,until the block start sliding ,what is the magnitude of F at the instant that they start to slide?