c)Our final figure modeling the forearm is the most realistic so far, showing that the brachioradialis inserts much lower on the upper arm, h₂ = 3 cm, than the biceps brachii. This will significantly shorten the brachioradialis' moment arm. The muscle attachment lengths on the forearm and the biceps attachment on the upper arm are the same as before: d₁ = 3 cm, d₂ = 15 cm, and d3 = 34 cm and h = 20 cm. M₁ h₂ d M₂ dz d₂ W Calculate the new ratio of the mechanical advantage of the brachioradialis to the mechanical advantage of the biceps. Ratio of Mechanical Advantage MA₂ =) = MA₁

c)Our final figure modeling the forearm is the most realistic so far, showing that the brachioradialis inserts much lower on the upper arm, h₂ = 3 cm, than the biceps brachii. This will significantly shorten the brachioradialis' moment arm. The muscle attachment lengths on the forearm and the biceps attachment on the upper arm are the same as before: d₁ = 3 cm, d₂ = 15 cm, and d3 = 34 cm and h = 20 cm. M₁ h₂ d M₂ dz d₂ W Calculate the new ratio of the mechanical advantage of the brachioradialis to the mechanical advantage of the biceps. Ratio of Mechanical Advantage MA₂ =) = MA₁

Elements Of Electromagnetics

7th Edition

ISBN:9780190698614

Author:Sadiku, Matthew N. O.

Publisher:Sadiku, Matthew N. O.

ChapterMA: Math Assessment

Section: Chapter Questions

Problem 1.1MA

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Concept explainers

Combined Loading

Any functioning component, such as machine parts, structural members, pressure vessels, and so on, are all under the influence of more than one force. When anybody is under the influence of more than one force such as shear forces, bending moments, axial forces, torsion, and so on, then such body is said to be under combined loading. A very practical example of combined loading is the crankshaft of an internal combustion engine (IC engine). The crankshaft of the IC engine is under high rpm, which is caused due to the torsional forces. Due to the presence of piston, counterbalances, and internal imbalances, the crankshaft experiences lateral forces and due to the rise in temperature, the crankshaft undergoes thermal expansion, which pulls the crankshaft along the axial direction and lateral direction. The presence of unbalanced loads along the periphery of the crankshaft also induces a bending moment.

Question

c)Our final figure modeling the forearm is the most realistic so far, showing that the brachioradialis
inserts much lower on the upper arm, h₂ 3 cm, than the biceps brachii. This will significantly
=
shorten the brachioradialis' moment arm. The muscle attachment lengths on the forearm and the
biceps attachment on the upper arm are the same as before: d₁ = 3 cm, d₂ = 15 cm, and d3 = 34 cm
and h = 20 cm.
M₁
M₂
d₂
W
Calculate the new ratio of the mechanical advantage of the brachioradialis to the mechanical
advantage of the biceps.
Ratio of Mechanical Advantage
MAZ) =
MA1
achii or

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