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    				| 1. | The result of 2 forces, one in which is double the other is 260N. If the direction of larger force is reversed and other remain same, the resultant reduces to 180N. Determine the magnitude of the force and the angle between forces | 
| Answer» TION:LET the forces be of magnitude x and 2x. Then, x2 +4x2+4x2cosy=(260)2and similarly x2+4x2-4x2cosy=(180)2Simplifying we get,10x2=100000 or x=100and 8x2cosy=35200or cosy=44/100so forces are 100N and 200N and at an ANGLE of SOMEWHERE ROUND 64 degrees. | |