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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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.
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.
6/4 The coefficients of statie and kinetic frietion between the 100-kg block and the inclined plane are 0.30 and 0.20, respectively. Determine (a) the friction force F acting on the block when P is applied with a magni- tude of 200 N to the block at rest, (6) the force P required to initiate motion up the incline from rest, and (e) the friction force F acting on the block if P 600 N. 100 kg 20 , = 0.30 H=0.20 15 Problem 6/4
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1. The three blocks in the figure are initially moving together to the right. Blocks B and C have mass m and block A has mass 4m. DO NOT NEGLECT FRICTION IN THIS PROBLEM. (a) Draw and label a free body diagram for each block. (b) Identify all Newton's 3rd Law pairs that appear in your diagrams. A (c) Is the normal force on C by A greater than, less than, or equal to the frictional force on C by the ground? Explain your reasoning. C
The 10-kg block A rests on the 50-kg plate B in the position shown. Neglecting the mass of the rope and pulley, and using the coefficients of kinetic friction indicated, determine the acceleration in motion. Use absolute value of the acceleration. Answer is in m/s?.
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Knowing that the coefficient of static friction between the tires and the road is 0.80 for the car as shown in figure 2. At this car, suddenly brakes are applied when it was moving with velocity of 360 inch/sec and it skidded to rest in 240 inch. Determine the magnitude of the normal reaction and of the friction force in the terms of W(weight) at each wheel as the car skidded to rest. { Use m=w/g, for the mass of the car if required, where g=386.09inch/s2.}
A cart has a mass of 1.5 kg. It is given some initial push toward a sensor and is slowed by a hanging mass which makes the cart turn around and speed up as it returns to its original position. This situation is illustrated in the attached image. If the acceleration towards the sensor is 0.5 m/s2 and the accaleration away from the sensor is 0.15 m/s2, a. draw the free body diagrams for the cart moving towards the sensor and away from the sensor. b. Write Newton's law for both situations and solve for the frictional force and for the force from the hanging mass.
In the figure above, blocks A and B have 50 and 10 kg respectively. It is given that the coefficients of friction between all surfaces of contact are μk=0.3 and μs=0.4. If P=0, determine the acceleration of B and the tension in the chord? If P=10, determine the acceleration of B and the tension in the chord? If P=100, determine the acceleration of B and the tension in the chord?

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