Problem 271 | Resultant of Non-Concurrent Force System Jhun Vert Sat, 04/18/2020 - 10:15 pm

Problem 271
The three forces in Fig. P-270 create a vertical resultant acting through point A. If T is known to be 361 lb, compute the values of F and P.
 a

270-271-forces-in-xy-space.gif

 

Problem 270 | Resultant of Non-Concurrent Force System Jhun Vert Sat, 04/18/2020 - 10:13 pm

Problem 270
The three forces shown in Fig. P-270 are required to cause a horizontal resultant acting through point A. If F = 316 lb, determine the values of P and T. Hint: Apply MR = ΣMB to determine R, then MR = ΣMC to find P, and finally MR = ΣMD or Ry = ΣY to compute T.
 

270-271-forces-in-xy-space.gif

 

242 Finding the unknown two forces with given resultant Jhun Vert Sat, 04/18/2020 - 07:28 pm

Problem 242
Find the value of P and F so that the four forces shown in Fig. P-242 produce an upward resultant of 300 lb acting at 4 ft from the left end of the bar.
 

Two forces of unknown magnitude applied to horizontal lever.