Prove that the force generated (per unit depth), F, by a pinnate muscle arrangement is F = 2fl sin æ cos a (8.26) where f is the force generated per unit cross-sectional muscle area, I is the pinnate segment length, and a is the muscle fiber angle.

Q: Why are the cross sections of metal beams in the shape of the letter I instead of solid rectangles?

A: I-shaped beam has higher bending strength and lower weight compared to the rectangular beam. In the…

Q: Calculate the percentage elongation from the length of the steel bar is 25 cm, and the extension is…

A: Actual length =25 cm Elongation = 0.3 cm percentage of elongation = △L / L X 100

Q: àcčélérâtións due to gravity at their surfaces, respectively. If MA = Mg, and RA = 2Rg The ratio…

A: The values provided in the question are as follows- Mass of planet A  = ma Mass of planet B  = mb…

Q: The tower is held in place by three cables. If the force of each cable acting on the tower is shown,…

A: FDB=2.5 kN Vector DB has Head end at (3,0) and tail end at (0,9). tanθ=ODOB=93=3θ=71.560

Q: Find the Miller Indices of a plane whose intercepts are (2,1,3).

A: Given intercepts are (p,q,r)= (2,1,3) The Miller indices of a plane is    h,k,l=1p,1q,1r…

Q: Destion If A = - 3.5 i-9.7j and B-- 6.0i+ 8.1 j, what is the angle (less than 180 degrees) between…

A:

Q: Prove that I de xR

A:

Q: Find the total mass of the wire with density p whose shape is modeled by r. r(t) = t²i + 2tj + tk,…

A: We know that density of any object is the mass per unit volume. For linear objects, the density or…

Q: Two vectors live with their tail at the same point. When the angle between them is increased by 20…

A: The scalar product between two vectors can be expressed as

Q: What are the applications of radius of gyration in structural engineering?

A: In structural engineering, two-dimensional radius of gyration is used to describe the distribution…

Q: Consider a helium-filled airship modeled as an ellipsoid of length = 152 m and a circular…

A: Given, Length of ellipsoid is 152 m and diameter is 40 m density at 1000 m is 1.1117 kg/m2

Q: Find the distances of the centre of mass of the lamina from PU and PQ.

A:

Q: Show that if a matrix is orthogonal and its determinant is +1, then each element of the matrix is…

A: Let A is an orthogonal matrix with determinant equal to+1. Orthogonal matrix, AAT=1…

Q: Prove that

A: To prove: It is known that:

Q: Hiw 3.1/Member Ac shownin.fig is subjecked bo a vertical force of 3KN. find the posibion Xof the…

A:

Q: eSpring Constant?

A:

Q: The beam is subjected to the distributed load and the couple shown. If Mis slowly increased starting…

A:

Q: What force must be applied at point P to keep the structure shown in equillbrium? The welght of the…

A:

Q: the shear strength parameters. b) For experiment no.1, find the effective normal and shear stresses…

A: To determine: The pore pressure in the sample at the time of collapse

Q: Calculate the fill factor for a stacked hexagon (hcp)

A: In this question we have to calculate the fill factor for a stacked hexagon.

Q: by I m. They found the girths to be 63 m (at eround level), 5.4 m, 4.6 m, 4.4 m, 4.8 m and 3.9 m,…

A: Solution: Given density of stone = 2800 kg/m3. Circumference of the square base section at ground…

Q: The following figure shows the arrangement of three uniform square laminas and each lamina measures…

A:

Q: Consider the curve described by the parametric equations x = t – 1, y = t? + 3t + 2. For which value…

A:

Q: 1%=3, p1 1 atm, and p1 = 1.23 kg/m. Calculate the downstream values of 2, T2, p2, M2, u2, poz and…

A:

Q: vector algebra dot product of (i+j+k) and (i-j+k) is?

A: Given : Vector 1 →V1→=i^+j^+k^ Vector 2 →V2→=i^-j^+k^

Q: Find the ratio

A: Given data; Car running ata  speed of 15 km h-1Another similar car is moving at a speed of 45 km h-1…

Q: Find the centroid of the region bounded by the set of curves

A: Area Bounded by the Curves:When area bounded by curve and line has to be identified, then the…

Q: A 10 meter long ladder rests against a vertical wall so that the distance between the foot of the…

A: First two question are incomplete, so third question is solved.

Q: The member is subjected to the two forces shown. The magnitude and the direction of the resultant…

A:

Q: What is the ideal mechanical advantage of a wedge with a length of 5 cm and a width of 1.5 cm?

A: Calculating the mechanical advantage of a wedge is fairly simple also. In this illustration, the tip…

Q: A wire whose equation is Z = a(x +y) is rotated about z axis with constant angular velocity o.…

A: Given that, Mass of the bead = m , that slides on the wire such that wire is rotated about z-axis at…

Q: g. P = W/t h. KE = (1/2)mv? KE Туре? Туре? i. = 2d/t L. p= mv p a a Туре? Туре?

A: A linear equation means if you plot the data you will get a straight line i.e. the equation of the…

Q: Mixed Triple products

A:

Q: e matrix equations A 7] -2 tion is:

A:

Q: Q.1CC)IFE igen value of matrix is d, the corresponding eigen for matrix -882 vector is Lil 32 then d…

A: Given: The matrix is given as Let X be the Eigenvector matrix.

Q: Consider two geometrically identical marbles stacked in a container as shown. The radius of each of…

A: Solution:-

Q: Find the cross product of AxB Ā = 2.0 î – 4.0 j + k B = 3.0 î + 4.0 ĵ+ 10k

A: Given:- A→=2.0i^-4.0j^+k^B→=3.0i^+4.0j^+10k^ Find:- A→×B→=?

Q: How many free variables should be used to determine the pose (i.e., its position and orientation…

A:

Q: If a regular polygon has 18 sides, find the measure of each interior angleand the measure of each…

A: Each interior angle of a n sided polygon will be given by following formula: Take n = 18…

Q: A sample of tendon 3.00 cm long and 4.00 mm in diameter is found to break under a minimum force of…

A: When the force in the tendon is equal or more than its strength (128 N) than the tendon will breaks.…

Q: The chandelier is supported by four chains which are concurrent at point O. If the force in each…

A: Given,

Q: The dimensions of the Young's Modulus is

A: Young's Modulus is the ratio of stress and strain. γ=StressStrainγ=ForceArea×Strain

Q: Find the mass of the solid bounded by the ry-plane, yz-plane, xz-plane, and the plane (2/3) + (y/4)…

A: