Problem 4: Rectangular block A weighs 100 lb and the half-circle block B weighs 150 lb. The surface between block A and the ground has a coefficient of static friction of µA-0.2 and the surface between block A and B has a coefficient of static friction of us 0.23. If a force was applied at point C, determine the minimum magnitude of this force to cause impending motion if: a) The force acts horizontally to the right b) The force acts horizontally to the left T 1.5 ft 4 ft B HB=0.23 A HA=0.2 2A-

Elements Of Electromagnetics
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Problem 4:
Rectangular block A weighs 100 lb and the half-circle block B weighs 150 lb. The surface between block
A and the ground has a coefficient of static friction of µA -0.2 and the surface between block A and B
has a coefficient of static friction of un-0.23. If a force was applied at point C, determine the minimum
magnitude of this force to cause impending motion if
a) The force acts horizontally to the right
b) The force acts horizontally to the left
T
1.5 ft
4 ft
2ft
B
HB=0.23
A HA=0.2
Transcribed Image Text:Problem 4: Rectangular block A weighs 100 lb and the half-circle block B weighs 150 lb. The surface between block A and the ground has a coefficient of static friction of µA -0.2 and the surface between block A and B has a coefficient of static friction of un-0.23. If a force was applied at point C, determine the minimum magnitude of this force to cause impending motion if a) The force acts horizontally to the right b) The force acts horizontally to the left T 1.5 ft 4 ft 2ft B HB=0.23 A HA=0.2
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