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1- Problem 1-10: What is the weight in Newton of an object that has a mass of: (a) 10 kg, (b) 0.5 g, and (c) 4.50 Mg? Express the result to three significant figures. Use an appropriate prefix. 2- Problem 1-20: Evaluate each of the following to three significant figures and express each answer in SI

1- Problem 1-10: What is the weight in Newton of an object that has a mass of: (a) 10 kg, (b) 0.5 g, and (c) 4.50 Mg? Express the result to three significant figures. Use an appropriate prefix. 2- Problem 1-20: Evaluate each of the following to three significant figures and express each answer in SI

Elements Of Electromagnetics
Elements Of Electromagnetics
7th Edition
ISBN:9780190698614
Author:Sadiku, Matthew N. O.
Publisher:Sadiku, Matthew N. O.
ChapterMA: Math Assessment
Section: Chapter Questions
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1- Problem 1-10: What is the weight in Newton of an object that has a mass of: (a) 10 kg, (b) 0.5 g, and (c) 4.50 Mg? Express the result to three significant figures. Use an appropriate prefix. 2- Problem 1-20: Evaluate each of the following to three significant figures and express each answer in SI units using an appropriate prefix: (a), (0.631 Mm)/(8.60 kg) and (b) (35 mm)*/(48 kg)'. 3- Problem 2-7: If FB = 2 kN and the resultant force acts along the positive u axis, determine the magnitude of the resultant force and the angle 0. 4- Problem 2-8: If the resultant force is required to act along the positive u axis and have a magnitude of 5 kN, determine the required magnitude of FB and its direction 0. F = 3 kN A 30 F. 5- Problem 2-43: If ø = 30° and F = 1.25 kN, determine the F, magnitude of the resultant force acting on the bracket and its direction measured clockwise from the positive x of axis. 6- Problem 2-44: If the magnitude of the resultant force acting on the bracket is 2 kN directed along the positive x axis, determine the magnitude of F1 and its direction ø. F = 1.5 kN F= 1.3 kN 7- Problem 2-63: The force F acts on the bracket within the octant shown. If, F = 400 N, B = 60° and y = 45°, determine the x, y, z components of F. 8- Problem 2-104: The antenna tower is supported by three cables. If the forces of these cables acting on the antenna are FB = 520 N, Fc = 680 N, FD = 560 N, determine the magnitude and coordinate direction angles of the resultant force acting at A. 24 m 12 m 10 m . 16 m 18 m
Transcribed Image Text:1- Problem 1-10: What is the weight in Newton of an object that has a mass of: (a) 10 kg, (b) 0.5 g, and (c) 4.50 Mg? Express the result to three significant figures. Use an appropriate prefix. 2- Problem 1-20: Evaluate each of the following to three significant figures and express each answer in SI units using an appropriate prefix: (a), (0.631 Mm)/(8.60 kg) and (b) (35 mm)*/(48 kg)'. 3- Problem 2-7: If FB = 2 kN and the resultant force acts along the positive u axis, determine the magnitude of the resultant force and the angle 0. 4- Problem 2-8: If the resultant force is required to act along the positive u axis and have a magnitude of 5 kN, determine the required magnitude of FB and its direction 0. F = 3 kN A 30 F. 5- Problem 2-43: If ø = 30° and F = 1.25 kN, determine the F, magnitude of the resultant force acting on the bracket and its direction measured clockwise from the positive x of axis. 6- Problem 2-44: If the magnitude of the resultant force acting on the bracket is 2 kN directed along the positive x axis, determine the magnitude of F1 and its direction ø. F = 1.5 kN F= 1.3 kN 7- Problem 2-63: The force F acts on the bracket within the octant shown. If, F = 400 N, B = 60° and y = 45°, determine the x, y, z components of F. 8- Problem 2-104: The antenna tower is supported by three cables. If the forces of these cables acting on the antenna are FB = 520 N, Fc = 680 N, FD = 560 N, determine the magnitude and coordinate direction angles of the resultant force acting at A. 24 m 12 m 10 m . 16 m 18 m
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