The diagram below shows a light plank balanced on two supports, A and B. Weights of 50 N, 25 N and 30N are placed on the plank as shown. X and Y are the normal reactions to the supports. Y 50 N. 25 N 30 Ν 5 cm 15 cm 15 cm 15 cm 20 cm 20 cm B A The reaction force X is N The reaction force Y is N The turning moment of the 30N weight about support B (in an anticlockwise direction) is Nm.
The diagram below shows a light plank balanced on two supports, A and B. Weights of 50 N, 25 N and 30N are placed on the plank as shown. X and Y are the normal reactions to the supports. Y 50 N. 25 N 30 Ν 5 cm 15 cm 15 cm 15 cm 20 cm 20 cm B A The reaction force X is N The reaction force Y is N The turning moment of the 30N weight about support B (in an anticlockwise direction) is Nm.
Physics for Scientists and Engineers: Foundations and Connections
1st Edition
ISBN:9781133939146
Author:Katz, Debora M.
Publisher:Katz, Debora M.
Chapter10: Systems Of Particles And Conservation Of Momentum
Section: Chapter Questions
Problem 59PQ
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The diagram below shows a light plank balanced on two supports, A and B. Weights of 50 N, 25 N and 30N are placed on the plank as shown. X and Y are the normal reactions to the supports.
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