Fundamentals of Thermal-Fluid Sciences
5th Edition
ISBN: 9780078027680
Author: Yunus A. Cengel Dr., Robert H. Turner, John M. Cimbala
Publisher: McGraw-Hill Education
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Chapter 1, Problem 9P
To determine
The difference between kg-mass and kg-force.
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Y
F1
α
В
X
F2
You and your friends are planning to move the log. The log.
needs to be moved straight in the x-axis direction and it
takes a combined force of 2.9 kN. You (F1) are able to exert
610 N at a = 32°. What magnitude (F2) and direction (B) do
you needs your friends to pull?
Your friends had to pull at:
magnitude in Newton, F2
=
direction in degrees, ẞ =
N
deg
Problem 1
8 in.
in.
PROBLEM 15.109
Knowing that at the instant shown crank BC has a constant angular
velocity of 45 rpm clockwise, determine the acceleration (a) of Point A,
(b) of Point D.
8 in.
Answer: convert rpm to rad/sec first. (a). -51.2j in/s²; (b). 176.6 i + 50.8 j in/s²
Chapter 1 Solutions
Fundamentals of Thermal-Fluid Sciences
Ch. 1 - Prob. 1PCh. 1 - An office worker claims that a cup of cold coffee...Ch. 1 - One of the most amusing things a person can...Ch. 1 - How does the science of heat transfer differ from...Ch. 1 - What is the driving force for (a) heat transfer,...Ch. 1 - Why is heat transfer a nonequilibrium...Ch. 1 - Can there be any heat transfer between two bodies...Ch. 1 - Define stress, normal stress, shear stress, and...Ch. 1 - What is the difference between kg-mass and...Ch. 1 - Explain why the light-year has the dimension of...
Ch. 1 - What is the net force acting on a car cruising at...Ch. 1 - At 45° latitude, the gravitational acceleration as...Ch. 1 - What is the weight, in N, of an object with a mass...Ch. 1 - A 3-kg plastic tank that has a volume of 0.2 m3 is...Ch. 1 - Prob. 15PCh. 1 - A 3-kg rock is thrown upward with a force of 200 N...Ch. 1 - Solve Prob. 1–16 using an appropriate software....Ch. 1 - A 4-kW resistance heater in a water heater runs...Ch. 1 - A 150-lbm astronaut took his bathroom scale (a...Ch. 1 - The gas tank of a car is filled with a nozzle that...Ch. 1 - A pool of volume (in m3) is to be filled with...Ch. 1 - The weight of bodies may change somewhat from one...Ch. 1 - A man goes to a traditional market to buy a steak...Ch. 1 - Prob. 24RQCh. 1 - Consider the flow of air through a wind turbine...Ch. 1 - The drag force exerted on a car by air depends on...Ch. 1 - What is the value of the engineering software...
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