provide complete solution Trina is a gym goer with a leg length of 84 cm. Suppose that she is in the gym doingstraight leg raising with 10 lb weights.Compute for the force that the muscle should exert in order to (1) maintain it in theposition and (2) lift the weight up given that the distance of the effort (muscle) from thejoint is 54 cm, distance of the weight is 80 cm, and the COM is 45 cm from the joint.

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Engineering

Civil Engineering

goer with a leg length ing with 10 lb weights.

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Temperature effects on atom arrangements

Atoms are the smallest units of matter. Atoms can be subdivided into electrons, protons, and several other subatomic particles. Groups or combinations of atoms form molecules that primarily decide the property and behavior of materials. These molecules have the property to attract other molecules based on the valence electrons in the atoms' outermost orbit. An orderly arrangement of molecules is known as crystal structure, which forms the fundamental topic of concern in materials science and engineering. The arrangement of molecules is different for different materials and hence, each material exhibits different lattice arrangements. The lattice arrangements are functions of external loads, deformations, and temperature. On experiencing high temperatures or low temperatures, the behavior of the lattice arrangement of a material change.

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provide complete solution

Trina is a gym goer with a leg length of 84 cm. Suppose that she is in the gym doing
straight leg raising with 10 lb weights.
Compute for the force that the muscle should exert in order to (1) maintain it in the
position and (2) lift the weight up given that the distance of the effort (muscle) from the
joint is 54 cm, distance of the weight is 80 cm, and the COM is 45 cm from the joint.

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