How much lead is needed to coat a cable, 55mm in diameter, if the cable is 5km long and the lead coat is 4mm thick. 11.4x10^3 kg/m^3 for the density of the lead.
A cylindrical gas bottle has internal dimensions of 18cm in diameter and 49cm in height. It is designed to contain compressed oxygen gas. The bottle has a mass of 1.75kg when empty and 3.15kg when full of oxygen gas. What is the density of the oxygen gas in a full bottle in kg/m^3?
A plane is passed through a parallelepiped, cutting all the lateral edges and forming a right section which is square. If the lateral area of the solid is 216cm^2 and a lateral edge measures 9cm, find the measure of one side of the right section.
The area of the diagonal section of a cube i equal to 36squareroot of 2. Determine the measures of the edge and the diagonal of the cube.
Problem 864
An 18-ft beam, simply supported at 4 ft from each end, carries a uniformly distributed load of 200 lb/ft over its entire length. Compute the value of EIδ at the middle and at the ends.
find the area and volume of the figure developed by an equilateral triangle with sides s if it is revolved about one of its sides.
Problem 863
For the beam shown in Fig. P-863, determine the value of EIδ midway between the supports and at the left end.
Answer
At the left end
$\delta = \dfrac{16,000}{EI} ~ \text{ downward}$
For the complete solution using the three moment equation, see it here: http://www.mathalino.com/reviewer/strength-materials/problem-863-deflec…
Consider the truss system shown in Fig. 2 modelled by three elements. The element numbers are shown in brackets. The node numbers are as indicated in the figure. Suppose that all the trusses have a cross sectional area of A = 0.1 m2 and Young’s modulus E = 70 GPa. Determine the displacements at all the nodes if the force P = 2000 N. The length L = 2 m.
