Block A (99-lb) is attached to block B (49-lb) through the interconnected pulleys C and D, asshown in the figure above. The coefficient kinetic friction between block A and the incline is 0.2.If block A has now a speed of 5(ft/s) down the incline,then while neglecting the mass of pulleys and ropes, Determine:1. The Acceleration of block A2. The distance (magnitude and direction) block B moves asblock A slides to a stop.

Answered: Image /qna-images/answer/cc135a40-a0d9-4b70-9da5-84aecb25db0e.jpg

Answered: Block A (99-lb) is attached to block B…

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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5. Three blocks are connected over two frictionless, massless pulleys by two inextensible, massless cords as shown in the figure. There is friction between block m and the horizontal surface of the table. If the block m, moves downward after being released from rest, then what is the magnitude of the acceleration of the blocks and the magnitude of the tension in the cords in terms of the masses of the blocks m, , and ms, the coefficient of kinetic friction between block my and the table, a. and the acceleration due to gravity, g. Include a force diagram or free-body diagram of the situation.
Block A weighs 10 kg and Block B weighs 100 kg. They are mounted to frictionless pulleys When the blocks are released; block B drops down while Block A goes up. (using simul equation and 2 unknowns at calculator) Determine the acceleration of Block A Determine the acceleration of Block B Determine the tension of the cable.
b) If P=10, determine the acceleration of B and the tension in the chord?
B8
3. A vehicle, mass 1400 kg, passes a bend at a speed of 54 km/hr. The radius of curvature of the road is 60 m. Determine the minimum coefficient of static friction between the car tires and the road, so that the car can pass through corners safely.
Problem: A person on a bicycle of mass 85 kg ( including the bicycle) can slow down at velocity of 3.60m/s? safely without skidding when approaching the next stop on the road. a. Draw the free-body diagram, including all the forces that apply to the problem. b. How would the free body diagram look on the person one the bike if the road was inclined uphill at 18 degrees? How would its deceleration change if the road was increased to 18 degrees? c. If the bieyelist elimbs up the hill at a speed of 8.0km/h because of the air resistance. What force would be necessary to climb the hill at the same speed with the same air resistance?
On a sloping road, the driver of the 1.3-tonne car, with an almost constant 300 N thrust from its engine, brakes at point A while driving at 90 km/h.a- Calculate the kinetic friction coefficient of the road to stop by traveling 50 m.b- Calculate the stopping distance (using the kinetic friction coefficient you found in part a) when you apply the brakes while going downhill at the same speed from B to A.
3A. A 100-N block on a rough 30o-incline is acted upon by a force P as shown causing it to accelerate at 2 m/s2 up the plane. The coefficient of kinetic friction is 0.30. (a) Draw the FBD of the block (b) Find the magnitude of P.
Also draw the FBD of this problem
The block shown has a mass of 51kg and is acted upon by a horizontal force P. The coefficient of friction is 0.40 between the body and the incline. Calculate the magnitude P required (a) barely to prevent the block from slipping down the incline, (b) to give the block an acceleration of 2.4 m/s2 up the incline.

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