Problem 1
The sum of two numbers is 120. If the greater number is four times the less, what are the numbers?
 

Problem 2
The greater of two numbers is twice the less, and the sum of the numbers is 96. What are the numbers?
 

Problem
What is the equation of the curve passing through the point (3, -2) and having a slope at any point (x, y) equal to (x² + y²) / (y³ - 2xy)?
 

Problem
Point P is inside the isosceles right triangle ABC. AP is 15 cm, BP is 9 cm and CP is 12 cm as shown. Determine the area of the triangle ABC.
 

Problem 604
Determine the magnitude of the resultant, its pointing, and its direction cosines for the following system of non-coplanar concurrent forces. 200 lb (4, 5, –3); 400 lb (–6, 4, –5); 300 lb, (4, –2, –3).
 

Problem 603
Determine the magnitude of the resultant, its pointing, and its direction cosines for the following system of non-coplanar concurrent forces. 100 lb (2, 3, 4); 300 lb (–3, –4, 5); 200 lb, (0, 0, 4).
 

Problem 602
Determine the magnitude of the resultant, its pointing and its direction cosines for the following system of non-coplanar, concurrent forces. 300 lb (+3, -4, +6); 400 lb (-2, +4, -5); 200 lb (-4, +5, -3).
 

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.
 

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

For the complete solution using the three moment equation, see it here: http://www.mathalino.com/reviewer/strength-materials/problem-863-deflec…
 

Problem 862
Determine the value of EIδ at B for the beam shown in Fig. P-862.
 

Problem 861
For the beam shown in Fig. P-861, determine the value of EIδ at 2 m and 4 m from the left support.