Fundamentals Of Thermodynamics
10th Edition
ISBN: 9781119494966
Author: Borgnakke, C. (claus), Sonntag, Richard Edwin, Author.
Publisher: Wiley,
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Chapter 1, Problem 1.72EP
An escalator brines four people with a total mass of
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Chapter 1 Solutions
Fundamentals Of Thermodynamics
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- This is an example diagram of Atwood’s Machine. This machine works by hanging two masses on a pulley, with each mass being acted upon by gravity. Since the masses are on opposite sides of the pulley, their weights oppose each other, and the net acceleration is less than g. To see this, please draw in all of the relevant forces in the diagram below. Be sure to indicate which direction friction in the pulley is acting. Assume m1 > m2.arrow_forwardBlock 1 (19 kg) is setting on the floor of an elevator. A rope pulls vertically up on block 1 with a tension of 10 N. The elevator is moving downward with a decreasing speed and the magnitude of the acceleration is 2 m/s2.On a sheet of paper, draw the free body diagram for block 1 using the two-subscript notation from class. After completing the free body diagram, enter below each force and its x & y-components. Remember that the x-component is the "i" component and the y-component is the "j" component. NET force on Block 1Fnet1 = i + j N FORCES on BLOCK 1Weight force on block 1 by EarthW1E = i + j N Tension Force on block 1 by RopeT1R = i + j N Normal force on block 1 by SurfaceN1S = i + j Narrow_forwardQ2: Find the acceleration of the three weights shown in fig. Assume pulleys are frictionless. Also find 200 N the tension in the cables. 40 N 60 Narrow_forward
- Two box hang from the ends of a string suspended from a frictionless pulley. The mass on the left is chosen to create a tension of 4 N in the string. The box on the right has a weight of 2 N. What will be the acceleration of the box on the right? Assume the acceleration of gravity is 9.8 m/s?. 4 N 2 Narrow_forwardQ2: a- Calculate the centripetal force exerted on 900 kg car that negotiates a 500 m radius curve at 25 m/sec. b- Assuming an unbanked curve ,find the minimum statics coefficient of friction between the tires and the road ,statics friction being the reason that keeps the car from slipping.arrow_forwardc) The pulley system shown in Figure Q1c lifts a mass, m, of 550 kg. Calculate the force FAnecessary to maintain the suspended mass in static equilibrium; and determine the forces at the ceiling anchor points A and B. Assume frictionless and weightless pulleys and use g 9.81 m/s.arrow_forward
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