Problems 1 2

Prévia do material em texto

Chapter 1 Vectors 
 
74 
Problems (1-2) 
13) The x component of a force is -2600 lb and the direction 
of the force is 130°, measured in a counterclockwise sense 
from the positive x axis. Find the y component, and the 
magnitude, of the force. 
 
14) Resolve each force acting on the post into its x and 
y components. 
 
Prob. 1.14 Prob. 1.15 
 
15) Determine the magnitude and the direction angle θ of the 
resultant force acting on the corbel and its direction measured 
counterclockwise from the x axis. 
Engineering Mechanics (Statics) 
 74 
 
Prob. 1.16 Prob. 1.17 
16) Determine the magnitude of the resultant force and its 
direction measured counterclockwise from the positive x axis. 
17) Determine the magnitude of the resultant force and its 
direction measured counterclockwise from the positive x axis. 
 
 
Prob. 1.18 Prob. 1.19 
18) If the resultant force acting on the bracket is to be 
750 N directed along the positive x axis, determine the 
magnitude of F and its direction θ. 
Chapter 1 Vectors 
 
74 
19) If the magnitude of the resultant force acting on the 
bracket is to be 80 lb directed along the u axis, determine the 
magnitude of F and its direction θ. 
20) Determine the magnitude of the resultant force and its 
direction measured counterclockwise from the positive x axis. 
 
Prob. 1.20 
 
Prob. 1.21 
21) Determine the magnitude of the resultant force and its 
direction measured counterclockwise from the positive x axis.