Q3. Catching a falling block of wood. The uniform rectangular panel is falling vertically with speed vi when its small peg A collides with and engages a receptacle. The collision happens over infinitesimal time. The block then pivots about the point A, which has come to rest due to the impact. Determine the angular velocity of the body as well as the x and y component of the velocity of the mass-center just after the impact. Hint: The total angular momentum of the block about A is conserved across the collision. ( Note that angular momentum about G is not conserved, because there is an 'infinite' force at A due to the collision. The angular momentum about A is conserved because all forces are finite except the force at A, which does not produce a moment about A. The finite forces cannot change momentum in infinitesimal time. ] OG 76 8 6/2

Q3. Catching a falling block of wood. The uniform rectangular panel is falling vertically with speed vi when its small peg A collides with and engages a receptacle. The collision happens over infinitesimal time. The block then pivots about the point A, which has come to rest due to the impact. Determine the angular velocity of the body as well as the x and y component of the velocity of the mass-center just after the impact. Hint: The total angular momentum of the block about A is conserved across the collision. ( Note that angular momentum about G is not conserved, because there is an 'infinite' force at A due to the collision. The angular momentum about A is conserved because all forces are finite except the force at A, which does not produce a moment about A. The finite forces cannot change momentum in infinitesimal time. ] OG 76 8 6/2

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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