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Ends of three light identical rods each of length l are connected to a light pivot that enables them to rotate in any direction. At the other ends of the rods, three particles A, B and C of masses m, 2m and 3m respectively are affixed. Initially the rods are coplanar, angle between any two is 120 and the particles are at rest. Now the particle C is given a velocity u perpendicular to the rod connected to it and in the plane of the rods as shown in the figure. Ignore gravitational interaction between

Ends of three light identical rods each of length l are connected to a light pivot that enables them to rotate in any direction. At the other ends of the rods, three particles A, B and C of masses m, 2m and 3m respectively are affixed. Initially the rods are coplanar, angle between any two is 120 and the particles are at rest. Now the particle C is given a velocity u perpendicular to the rod connected to it and in the plane of the rods as shown in the figure. Ignore gravitational interaction between

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
Problem 1.1MA
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Ends of three light identical rods each of length l are connected to a light pivot that enables them to rotate in any direction. At the other ends of the rods, three particles A, B and C of masses m, 2m and 3m respectively are affixed. Initially the rods are coplanar, angle between any two is 120 and the particles are at rest. Now the particle C is given a velocity u perpendicular to the rod connected to it and in the plane of the rods as shown in the figure. Ignore gravitational interaction between the particles. What are the moduli of acceleration of the particles A, B and C immediately after the particle C is given velocity u?

Questions 23 and 24 are based on the following physical situation Ends of three light identical rods each of length l are connected to a light pivot that enables them to rotate in any direction. At the other ends of the rods, three particles A, B and C of masses m, 2m and 3m respectively are affixed. Initially, the rods are coplanar, angle between any two adjacent rod is 120° and the particles are at rest. Now the particle C is given a velocity u perpendicular to the rod connected to it and in the plane of the rods as shown in the figure. Ignore gravitational interaction between the particles. 120° 120° 120° 23. Denoting acceleration vectors of the particles A, B and C by ā, ä, and āc respectively, which of the following conclusion can you make? (а) ӑд + ӑз + ӑ, -ӧ (c) ā, +2ãg +3ãc = Ō (b) 3ã, +2ã, + äc = 0 (d) None of these 24. What are moduli of acceleration vectors of the particles A, B and C immediately after the particle C is given velocity u? ,2 (a) All equal to 3u? 3u? and 21 u? (b) би? Зи? 2u? and 11l 12u? 6и? and 131 4u? (c) 11l' 111 (d) 131 131
Transcribed Image Text:Questions 23 and 24 are based on the following physical situation Ends of three light identical rods each of length l are connected to a light pivot that enables them to rotate in any direction. At the other ends of the rods, three particles A, B and C of masses m, 2m and 3m respectively are affixed. Initially, the rods are coplanar, angle between any two adjacent rod is 120° and the particles are at rest. Now the particle C is given a velocity u perpendicular to the rod connected to it and in the plane of the rods as shown in the figure. Ignore gravitational interaction between the particles. 120° 120° 120° 23. Denoting acceleration vectors of the particles A, B and C by ā, ä, and āc respectively, which of the following conclusion can you make? (а) ӑд + ӑз + ӑ, -ӧ (c) ā, +2ãg +3ãc = Ō (b) 3ã, +2ã, + äc = 0 (d) None of these 24. What are moduli of acceleration vectors of the particles A, B and C immediately after the particle C is given velocity u? ,2 (a) All equal to 3u? 3u? and 21 u? (b) би? Зи? 2u? and 11l 12u? 6и? and 131 4u? (c) 11l' 111 (d) 131 131
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