Ch 9

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Unformatted text preview: 815 91. Determine the mass and the location of the center of mass of the uniform parabolic-shaped rod. The mass per unit length of the rod is . 2 kg > m ( x , y ) © 2010 Pearson Education, Inc., Upper Saddle River, NJ. All rights reserved.This material is protected under all copyright laws as they currently exist. No portion of this material may be reproduced, in any form or by any means, without permission in writing from the publisher. y x 4 m 4 m y 2 5 4 x 9 Solutions 44918 1/28/09 2:34 PM Page 815 816 92. The uniform rod is bent into the shape of a parabola and has a weight per unit length of . Determine the reactions at the fixed support A . 6 lb > ft © 2010 Pearson Education, Inc., Upper Saddle River, NJ. All rights reserved.This material is protected under all copyright laws as they currently exist. No portion of this material may be reproduced, in any form or by any means, without permission in writing from the publisher. y x 3 ft 3 ft A y 2 5 3 x 9 Solutions 44918 1/28/09 2:34 PM Page 816 817 93. Determine the distance to the center of mass of the homogeneous rod bent into the shape shown. If the rod has a mass per unit length of , determine the reactions at the fixed support O . 0.5 kg > m x © 2010 Pearson Education, Inc., Upper Saddle River, NJ. All rights reserved.This material is protected under all copyright laws as they currently exist. No portion of this material may be reproduced, in any form or by any means, without permission in writing from the publisher. 1 m 1 m y x y 2 5 x 3 O 9 Solutions 44918 1/28/09 2:34 PM Page 817 818 * 94. Determine the mass and locate the center of mass of the uniform rod. The mass per unit length of the rod is . 3 kg > m ( x , y ) © 2010 Pearson Education, Inc., Upper Saddle River, NJ. All rights reserved.This material is protected under all copyright laws as they currently exist. No portion of this material may be reproduced, in any form or by any means, without permission in writing from the publisher. y x 2 m 4 m y 5 4 x 2 9 Solutions 44918 1/28/09 2:34 PM Page 818 819 95. Determine the mass and the location of the center of mass of the rod if its mass per unit length is . m = m (1 + x > L ) x © 2010 Pearson Education, Inc., Upper Saddle River, NJ. All rights reserved.This material is protected under all copyright laws as they currently exist. No portion of this material may be reproduced, in any form or by any means, without permission in writing from the publisher. y x L 9 Solutions 44918 1/28/09 2:34 PM Page 819 820 96. Determine the location ( , ) of the centroid of the wire. y x © 2010 Pearson Education, Inc., Upper Saddle River, NJ. All rights reserved.This material is protected under all copyright laws as they currently exist. No portion of this material may be reproduced, in any form or by any means, without permission in writing from the publisher....
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