Question: 14 A particle has three horizontal forces acting on it as shown in the diagram Show that cos a 14 13 cos B and find

14 A particle has three horizontal forces acting on it as

14 A particle has three horizontal forces acting on it as shown in the diagram Show that cos a 14 13 cos B and find an expression for sin a Use 15 cos a sin 1 to get an equation in B Hence find a and B 14N a 15 N

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